' Constructs Composed Magic Squares of Order 15

' Tested with Office 2007 under Windows 7

```Sub PriemG15()

Dim a1(225), a(64), a15(225), b1(225), b(225), c(64), Crnr3(2)

y = MsgBox("Locked", vbCritical, "Routine PriemG15")
End

n5 = 0: n9 = 0: k1 = 1: k2 = 1

t1 = Timer

For j100 = 2 To 3045

GoSub 2010                                       'Redefine Integers

'    Read Center Square (3 x 3)

For i1 = 1 To 9
a(i1) = Sheets("Lines3b").Cells(j100, i1).Value
Next i1

'    Store in a15()

a15(97) = a(1):  a15(98) = a(2):  a15(99) = a(3):
a15(112) = a(4): a15(113) = a(5): a15(114) = a(6):
a15(127) = a(7): a15(128) = a(8): a15(129) = a(9):

n32 = 9: GoSub 900                               'Remove used integers from available integers

'    Complete  Eccentrc Squares A1/2 (5 x 5)

Crnr3(1) = a15(99)                                'Square 1
Crnr3(2) = a15(127)                               'Square 2

i35 = 1
For n10 = 1 To 2

Erase a, b, c
GoSub 5000: If fl1 = 0 Then GoTo 1000

Select Case n10

Case 1:

a15(67) = a(1): a15(68) = a(6): a15(69) = a(9):  a15(70) = a(10):  a15(71) = a(11):
a15(82) = a(5): a15(83) = a(2): a15(84) = a(12): a15(85) = a(13):  a15(86) = a(14):
a15(100) = a(16): a15(101) = a(15):
a15(115) = a(3):  a15(116) = a(7):
a15(130) = a(8):  a15(131) = a(4):

n32 = 16: GoSub 900                 'Remove used integers from available integers
i35 = 2

Case 2:

a15(95) = a(4):   a15(96) = a(8):
a15(110) = a(7):  a15(111) = a(3):
a15(125) = a(15): a15(126) = a(16):
a15(140) = a(14): a15(141) = a(13): a15(142) = a(12): a15(143) = a(2): a15(144) = a(5):
a15(155) = a(11): a15(156) = a(10): a15(157) = a(9):  a15(158) = a(6): a15(159) = a(1):

n32 = 16: GoSub 900                 'Remove used integers from available integers

End Select

Next n10

'    Complete  Eccentrc Squares B1/2 (7 x 7)

Crnr3(1) = a15(69) + a15(85) + a15(101)   ' Square 1
Crnr3(2) = a15(125) + a15(141) + a15(157) ' Square 2

i35 = 1
For n10 = 1 To 2

Erase a, b, c
GoSub 3000: If fl1 = 0 Then GoTo 1000
GoSub 7000: If fl1 = 0 Then GoTo 1000

Select Case n10

Case 1:

a15(37) = a(10): a15(38) = a(15): a15(39) = a(18): a15(40) = a(20): a15(41) = a(8): a15(42) = a(9):   a15(43) = a(7):
a15(52) = a(14): a15(53) = a(11): a15(54) = a(19): a15(55) = a(21): a15(56) = a(2): a15(57) = a(3):   a15(58) = a(1):
a15(72) = a(6):   a15(73) = a(4):
a15(87) = a(25):  a15(88) = a(24):
a15(102) = a(23): a15(103) = a(22):
a15(117) = a(12): a15(118) = a(16):
a15(132) = a(17): a15(133) = a(13):

n32 = 25: GoSub 900                 'Remove used integers from available integers
i35 = 2

Case 2:

a15(93) = a(13):  a15(94) = a(17):
a15(108) = a(16): a15(109) = a(12):
a15(123) = a(22): a15(124) = a(23):
a15(138) = a(24): a15(139) = a(25):
a15(153) = a(4):  a15(154) = a(6):
a15(168) = a(1):  a15(169) = a(3): a15(170) = a(2): a15(171) = a(21): a15(172) = a(19): a15(173) = a(11): a15(174) = a(14):
a15(183) = a(7):  a15(184) = a(9): a15(185) = a(8): a15(186) = a(20): a15(187) = a(18): a15(188) = a(15): a15(189) = a(10):

n32 = 25: GoSub 900                 'Remove used integers from available integers

End Select

Next n10

'    Generate Pan Magic Squares Pm1/2 ( 4  x 4)
'    Complete Composed Magic Square E (11 x 11)

For n10 = 1 To 2

Erase a, b, c
GoSub 4000: If fl1 = 0 Then GoTo 1000

Select Case n10

Case 1:

a15(33) = a(1):  a15(34) = a(2):  a15(35) = a(3):  a15(36) = a(4):
a15(48) = a(5):  a15(49) = a(6):  a15(50) = a(7):  a15(51) = a(8):
a15(63) = a(9):  a15(64) = a(10): a15(65) = a(11): a15(66) = a(12):
a15(78) = a(13): a15(79) = a(14): a15(80) = a(15): a15(81) = a(16):

n32 = 16: GoSub 900                 'Remove used integers from available integers
i35 = 2

Case 2:

a15(145) = a(1):  a15(146) = a(2):  a15(147) = a(3):  a15(148) = a(4):
a15(160) = a(5):  a15(161) = a(6):  a15(162) = a(7):  a15(163) = a(8):
a15(175) = a(9):  a15(176) = a(10): a15(177) = a(11): a15(178) = a(12):
a15(190) = a(13): a15(191) = a(14): a15(192) = a(15): a15(193) = a(16):

n32 = 16: GoSub 900                 'Remove used integers from available integers

End Select

Next n10

'       Complete 9 x 9 Eccentric Magic Squares

Crnr3(1) = a15(39) + a15(55) + a15(71) + a15(87) + a15(103)     ' Square 1
Crnr3(2) = a15(123) + a15(139) + a15(155) + a15(171) + a15(187) ' Square 2

i35 = 1
For n10 = 1 To 2

Erase a, b, c
GoSub 3000: If fl1 = 0 Then GoTo 1000 'Magic square Order 3
GoSub 2000: If fl1 = 0 Then GoTo 1000

Select Case n10

Case 1:

a15(7) = a(10):   a15(8) = a(15):  a15(9) = a(19):  a15(10) = a(22): a15(11) = a(23): a15(12) = a(24): a15(13) = a(8):
a15(22) = a(14):  a15(23) = a(11): a15(24) = a(21): a15(25) = a(25): a15(26) = a(26): a15(27) = a(27): a15(28) = a(2):
a15(14) = a(9):   a15(15) = a(7):
a15(29) = a(3):   a15(30) = a(1):
a15(44) = a(6):   a15(45) = a(4):
a15(59) = a(31):  a15(60) = a(28):
a15(74) = a(32):  a15(75) = a(29):
a15(89) = a(33):  a15(90) = a(30):
a15(104) = a(20): a15(105) = a(18):
a15(119) = a(12): a15(120) = a(16):
a15(134) = a(17): a15(135) = a(13):

n32 = 33: GoSub 900                 'Remove used integers from available integers
i35 = 2

Case 2:

a15(91) = a(13):  a15(92) = a(17):
a15(106) = a(16): a15(107) = a(12):
a15(121) = a(18): a15(122) = a(20):
a15(136) = a(30): a15(137) = a(33):
a15(151) = a(29): a15(152) = a(32):
a15(166) = a(28): a15(167) = a(31):
a15(181) = a(4):  a15(182) = a(6):
a15(196) = a(1):  a15(197) = a(3):
a15(211) = a(7):  a15(212) = a(9):
a15(198) = a(2):  a15(199) = a(27): a15(200) = a(26): a15(201) = a(25): a15(202) = a(21): a15(203) = a(11): a15(204) = a(14):
a15(213) = a(8):  a15(214) = a(24): a15(215) = a(23): a15(216) = a(22): a15(217) = a(19): a15(218) = a(15): a15(219) = a(10):

n32 = 33: GoSub 900                 'Remove used integers from available integers

End Select

Next n10

'        Complete 6 x 6 Eccentric Magic Squares

Crnr3(1) = a15(34) + a15(48)   ' Square 1
Crnr3(2) = a15(178) + a15(192) ' Square 2

i35 = 1
For n10 = 1 To 2

Erase a, b, c
GoSub 6000: If fl1 = 0 Then GoTo 1000

Select Case n10

Case 1:

a15(1) = a(20):  a15(2) = a(19):  a15(3) = a(18):  a15(4) = a(17):  a15(5) = a(6):  a15(6) = a(1):
a15(16) = a(24): a15(17) = a(23): a15(18) = a(22): a15(19) = a(21): a15(20) = a(2): a15(21) = a(5):
a15(31) = a(25): a15(32) = a(27):
a15(46) = a(26): a15(47) = a(28):
a15(61) = a(7):  a15(62) = a(3):
a15(76) = a(4):  a15(77) = a(8):

n32 = 28: GoSub 900                 'Remove used integers from available integers
i35 = 2

Case 2:

a15(149) = a(8):  a15(150) = a(4):
a15(164) = a(3):  a15(165) = a(7):
a15(179) = a(28): a15(180) = a(26):
a15(194) = a(27): a15(195) = a(25):
a15(205) = a(5): a15(206) = a(2): a15(207) = a(21): a15(208) = a(22): a15(209) = a(23): a15(210) = a(24):
a15(220) = a(1): a15(221) = a(6): a15(222) = a(17): a15(223) = a(18): a15(224) = a(19): a15(225) = a(20):

End Select

Next n10

GoSub 850                                  'Double Check Identical Integers
If fl1 = 1 Then
n9 = n9 + 1: GoSub 1650                 'Print results (squares)
'           n9 = n9 + 1: GoSub 1640                 'Print results (lines)
End If

1000 Erase b1, b, c
Next j100

t2 = Timer

t10 = Str(t2 - t1) + " sec., " + Str(n9) + " Solutions"
y = MsgBox(t10, 0, "Routine PriemG15")

End

'       Determine Magic Square Order 3

3000 fl1 = 1

For j9 = m1 To m2                                                     'a(9)
If b1(a1(j9)) = 0 Then GoTo 3090
If b(a1(j9)) = 0 Then b(a1(j9)) = a1(j9): c(9) = a1(j9) Else GoTo 3090
a(9) = a1(j9)

For j8 = m1 To m2                                                     'a(8)
If b1(a1(j8)) = 0 Then GoTo 3080
If b(a1(j8)) = 0 Then b(a1(j8)) = a1(j8): c(8) = a1(j8) Else GoTo 3080
a(8) = a1(j8)

a(7) = s3 - a(8) - a(9):
If a(7) < a1(m1) Or a(7) > a1(m2) Then GoTo 3070:
If b1(a(7)) = 0 Then GoTo 3070
If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 3070

a(6) = 4 * s3 / 3 - a(8) - 2 * a(9):
If a(6) < a1(m1) Or a(6) > a1(m2) Then GoTo 3060:
If b1(a(6)) = 0 Then GoTo 3060
If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 3060

a(5) = s3 / 3:

a(4) = -2 * s3 / 3 + a(8) + 2 * a(9):
If a(4) < a1(m1) Or a(4) > a1(m2) Then GoTo 3040:
If b1(a(4)) = 0 Then GoTo 3040
If b(a(4)) = 0 Then b(a(4)) = a(4): c(4) = a(4) Else GoTo 3040

a(3) = -s3 / 3 + a(8) + a(9):
If a(3) < a1(m1) Or a(3) > a1(m2) Then GoTo 3030:
If b1(a(3)) = 0 Then GoTo 3030
If b(a(3)) = 0 Then b(a(3)) = a(3): c(3) = a(3) Else GoTo 3030

a(2) = 2 * s3 / 3 - a(8):
If a(2) < a1(m1) Or a(2) > a1(m2) Then GoTo 3020:
If b1(a(2)) = 0 Then GoTo 3020
If b(a(2)) = 0 Then b(a(2)) = a(2): c(2) = a(2) Else GoTo 3020

a(1) = 2 * s3 / 3 - a(9):
If a(1) < a1(m1) Or a(1) > a1(m2) Then GoTo 3010:
If b1(a(1)) = 0 Then GoTo 3010
If b(a(1)) = 0 Then b(a(1)) = a(1): c(1) = a(1) Else GoTo 3010

Return

b(c(1)) = 0: c(1) = 0
3010 b(c(2)) = 0: c(2) = 0
3020 b(c(3)) = 0: c(2) = 0
3030 b(c(4)) = 0: c(4) = 0
3040 b(c(5)) = 0: c(5) = 0
3050 b(c(6)) = 0: c(6) = 0
3060 b(c(7)) = 0: c(7) = 0
3070 b(c(8)) = 0: c(8) = 0
3080 Next j8

b(c(9)) = 0: c(9) = 0
3090 Next j9

fl1 = 0

Return

'   Complete 9 x 9 Eccentric Magic Squares
'   Determine Main Diagonal and Remaining Pairs

2000 fl1 = 1

'   Main Diagonal and Related Border Pairs

For j10 = m1 To m2
If b1(a1(j10)) = 0 Then GoTo 2100
If b(a1(j10)) = 0 Then b(a1(j10)) = a1(j10): c(10) = a1(j10) Else GoTo 2100
a(10) = a1(j10)

a(14) = Pr3 - a(10): If b(a(14)) = 0 Then b(a(14)) = a(14): c(14) = a(14) Else GoTo 2140

For j11 = m1 To m2
If b1(a1(j11)) = 0 Then GoTo 2110
If b(a1(j11)) = 0 Then b(a1(j11)) = a1(j11): c(11) = a1(j11) Else GoTo 2110
a(11) = a1(j11)

a(15) = Pr3 - a(11): If b(a(15)) = 0 Then b(a(15)) = a(15): c(15) = a(15) Else GoTo 2150

For j12 = m1 To m2
If b1(a1(j12)) = 0 Then GoTo 2120
If b(a1(j12)) = 0 Then b(a1(j12)) = a1(j12): c(12) = a1(j12) Else GoTo 2120
a(12) = a1(j12)

a(16) = Pr3 - a(12): If b(a(16)) = 0 Then b(a(16)) = a(16): c(16) = a(16) Else GoTo 2160

a(13) = (s9 - Crnr3(i35)) - a(12) - a(11) - a(10)
If a(13) < a1(m1) Or a(13) > a1(m2) Then GoTo 2130:
If b1(a(13)) = 0 Then GoTo 2130
If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 2130

a(17) = Pr3 - a(13): If b(a(17)) = 0 Then b(a(17)) = a(17): c(17) = a(17) Else GoTo 2170

a(18) = s3 - a(13) - a(16)
If a(18) < a1(m1) Or a(18) > a1(m2) Then GoTo 2180:
If b1(a(18)) = 0 Then GoTo 2180
If b(a(18)) = 0 Then b(a(18)) = a(18): c(18) = a(18) Else GoTo 2180

a(20) = Pr3 - a(18): If b(a(20)) = 0 Then b(a(20)) = a(20): c(20) = a(20) Else GoTo 2200

a(19) = s3 - a(10) - a(15)
If a(19) < a1(m1) Or a(19) > a1(m2) Then GoTo 2190:
If b1(a(19)) = 0 Then GoTo 2190
If b(a(19)) = 0 Then b(a(19)) = a(19): c(19) = a(19) Else GoTo 2190

a(21) = Pr3 - a(19): If b(a(21)) = 0 Then b(a(21)) = a(21): c(21) = a(21) Else GoTo 2210

'   Remaining Magic Rectangles

For j22 = m1 To m2
If b1(a1(j22)) = 0 Then GoTo 2220
If b(a1(j22)) = 0 Then b(a1(j22)) = a1(j22): c(22) = a1(j22) Else GoTo 2220
a(22) = a1(j22)

a(25) = Pr3 - a(22): If b(a(25)) = 0 Then b(a(25)) = a(25): c(25) = a(25) Else GoTo 2250

For j23 = m1 To m2
If b1(a1(j23)) = 0 Then GoTo 2230
If b(a1(j23)) = 0 Then b(a1(j23)) = a1(j23): c(23) = a1(j23) Else GoTo 2230
a(23) = a1(j23)

a(26) = Pr3 - a(23): If b(a(26)) = 0 Then b(a(26)) = a(26): c(26) = a(26) Else GoTo 2260

a(24) = s3 - a(22) - a(23)
If a(24) < a1(m1) Or a(24) > a1(m2) Then GoTo 2240:
If b1(a(24)) = 0 Then GoTo 2240
If b(a(24)) = 0 Then b(a(24)) = a(24): c(24) = a(24) Else GoTo 2240

a(27) = Pr3 - a(24): If b(a(27)) = 0 Then b(a(27)) = a(27): c(27) = a(27) Else GoTo 2270

For j28 = m1 To m2
If b1(a1(j28)) = 0 Then GoTo 2280
If b(a1(j28)) = 0 Then b(a1(j28)) = a1(j28): c(28) = a1(j28) Else GoTo 2280
a(28) = a1(j28)

a(31) = Pr3 - a(28): If b(a(31)) = 0 Then b(a(31)) = a(31): c(31) = a(31) Else GoTo 2310

For j29 = m1 To m2
If b1(a1(j29)) = 0 Then GoTo 2290
If b(a1(j29)) = 0 Then b(a1(j29)) = a1(j29): c(29) = a1(j29) Else GoTo 2290
a(29) = a1(j29)

a(32) = Pr3 - a(29): If b(a(32)) = 0 Then b(a(32)) = a(32): c(32) = a(32) Else GoTo 2320

a(30) = s3 - a(28) - a(29)
If a(30) < a1(m1) Or a(30) > a1(m2) Then GoTo 2300:
If b1(a(30)) = 0 Then GoTo 2300
If b(a(30)) = 0 Then b(a(30)) = a(30): c(30) = a(30) Else GoTo 2300

a(33) = Pr3 - a(30): If b(a(33)) = 0 Then b(a(33)) = a(33): c(33) = a(33) Else GoTo 2330

Return

b(c(33)) = 0: c(33) = 0
2330 b(c(30)) = 0: c(30) = 0
2300 b(c(32)) = 0: c(32) = 0
2320 b(c(29)) = 0: c(29) = 0
2290 Next j29

b(c(31)) = 0: c(31) = 0
2310 b(c(28)) = 0: c(28) = 0
2280 Next j28

b(c(27)) = 0: c(27) = 0
2270 b(c(24)) = 0: c(24) = 0
2240 b(c(26)) = 0: c(26) = 0
2260 b(c(23)) = 0: c(23) = 0
2230 Next j23

b(c(25)) = 0: c(25) = 0
2250 b(c(22)) = 0: c(22) = 0
2220 Next j22

b(c(21)) = 0: c(21) = 0
2210 b(c(19)) = 0: c(19) = 0
2190 b(c(20)) = 0: c(20) = 0
2200 b(c(18)) = 0: c(18) = 0
2180 b(c(17)) = 0: c(17) = 0
2170 b(c(13)) = 0: c(13) = 0
2130 b(c(16)) = 0: c(16) = 0
2160 b(c(12)) = 0: c(12) = 0
2120 Next j12

b(c(15)) = 0: c(15) = 0
2150 b(c(11)) = 0: c(11) = 0
2110 Next j11

b(c(14)) = 0: c(14) = 0
2140 b(c(10)) = 0: c(10) = 0
2100 Next j10

fl1 = 0

Return

'    Complete  Eccentrc Squares A1/2 (5 x 5)

5000 fl1 = 1

'   Determine Main Diagonal and related pairs

For j1 = m1 To m2
If b1(a1(j1)) = 0 Then GoTo 10
If b(a1(j1)) = 0 Then b(a1(j1)) = a1(j1): c(1) = a1(j1) Else GoTo 10
a(1) = a1(j1)

a(5) = Pr3 - a(1): If b(a(5)) = 0 Then b(a(5)) = a(5): c(5) = a(5) Else GoTo 50

For j2 = m1 To m2
If b1(a1(j2)) = 0 Then GoTo 20
If b(a1(j2)) = 0 Then b(a1(j2)) = a1(j2): c(2) = a1(j2) Else GoTo 20
a(2) = a1(j2)

a(6) = Pr3 - a(2): If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 60

For j3 = m1 To m2
If b1(a1(j3)) = 0 Then GoTo 30
If b(a1(j3)) = 0 Then b(a1(j3)) = a1(j3): c(3) = a1(j3) Else GoTo 30
a(3) = a1(j3)

a(7) = Pr3 - a(3): If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 70

a(4) = (s5 - Crnr3(i35)) - a(3) - a(2) - a(1)
If a(4) < a1(m1) Or a(4) > a1(m2) Then GoTo 40:
If b1(a(4)) = 0 Then GoTo 40
If b(a(4)) = 0 Then b(a(4)) = a(4): c(4) = a(4) Else GoTo 40

a(8) = Pr3 - a(4): If b(a(8)) = 0 Then b(a(8)) = a(8): c(8) = a(8) Else GoTo 80

'   Determine remainder of the pairs

For j9 = m1 To m2
If b1(a1(j9)) = 0 Then GoTo 90
If b(a1(j9)) = 0 Then b(a1(j9)) = a1(j9): c(9) = a1(j9) Else GoTo 90
a(9) = a1(j9)

a(12) = Pr3 - a(9): If b(a(12)) = 0 Then b(a(12)) = a(12): c(12) = a(12) Else GoTo 120

For j10 = m1 To m2
If b1(a1(j10)) = 0 Then GoTo 100
If b(a1(j10)) = 0 Then b(a1(j10)) = a1(j10): c(10) = a1(j10) Else GoTo 100
a(10) = a1(j10)

a(14) = Pr3 - a(10): If b(a(14)) = 0 Then b(a(14)) = a(14): c(14) = a(14) Else GoTo 140

a(11) = s5 - a(1) - a(6) - a(9) - a(10)
If a(11) < a1(m1) Or a(11) > a1(m2) Then GoTo 110:
If b1(a(11)) = 0 Then GoTo 110
If b(a(11)) = 0 Then b(a(11)) = a(11): c(11) = a(11) Else GoTo 110

a(13) = Pr3 - a(11): If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 130

a(15) = s5 - a(4) - a(7) - a(14) - a(11)
If a(15) < a1(m1) Or a(15) > a1(m2) Then GoTo 150:
If b1(a(15)) = 0 Then GoTo 150
If b(a(15)) = 0 Then b(a(15)) = a(15): c(15) = a(15) Else GoTo 150

a(16) = Pr3 - a(15): If b(a(16)) = 0 Then b(a(16)) = a(16): c(16) = a(16) Else GoTo 160

Return

b(c(16)) = 0: c(16) = 0
160 b(c(15)) = 0: c(15) = 0
150 b(c(13)) = 0: c(13) = 0
130 b(c(11)) = 0: c(11) = 0
110 b(c(14)) = 0: c(14) = 0
140 b(c(10)) = 0: c(10) = 0
100 Next j10

b(c(12)) = 0: c(12) = 0
120 b(c(9)) = 0: c(9) = 0
90 Next j9

b(c(8)) = 0: c(8) = 0
80  b(c(4)) = 0: c(4) = 0
40  b(c(7)) = 0: c(7) = 0
70  b(c(3)) = 0: c(3) = 0
30  Next j3

b(c(6)) = 0: c(6) = 0
60 b(c(2)) = 0: c(2) = 0
20 Next j2

b(c(5)) = 0: c(5) = 0
50 b(c(1)) = 0: c(1) = 0
10 Next j1

fl1 = 0
Return

'   Complete 6 x 6 Eccentric Magic Squares
'   Determine Main Diagonal and Remaining Pairs

6000 fl1 = 1

For j1 = m1 To m2
If b1(a1(j1)) = 0 Then GoTo 6010
If b(a1(j1)) = 0 Then b(a1(j1)) = a1(j1): c(1) = a1(j1) Else GoTo 6010
a(1) = a1(j1)

a(5) = Pr3 - a(1): If b(a(5)) = 0 Then b(a(5)) = a(5): c(5) = a(5) Else GoTo 6050

For j2 = m1 To m2
If b1(a1(j2)) = 0 Then GoTo 6020
If b(a1(j2)) = 0 Then b(a1(j2)) = a1(j2): c(2) = a1(j2) Else GoTo 6020
a(2) = a1(j2)

a(6) = Pr3 - a(2): If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 6060

For j3 = m1 To m2
If b1(a1(j3)) = 0 Then GoTo 6030
If b(a1(j3)) = 0 Then b(a1(j3)) = a1(j3): c(3) = a1(j3) Else GoTo 6030
a(3) = a1(j3)

a(7) = Pr3 - a(3): If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 6070

a(4) = s6 - a(3) - a(2) - a(1) - Crnr3(i35)
If a(4) < a1(m1) Or a(4) > a1(m2) Then GoTo 6040:
If b1(a(4)) = 0 Then GoTo 6040
If b(a(4)) = 0 Then b(a(4)) = a(4): c(4) = a(4) Else GoTo 6040

a(8) = Pr3 - a(4): If b(a(8)) = 0 Then b(a(8)) = a(8): c(8) = a(8) Else GoTo 6080

'   Determine remainder of the pairs

For j17 = m1 To m2                                                     'a(17)
If b1(a1(j17)) = 0 Then GoTo 6170
If b(a1(j17)) = 0 Then b(a1(j17)) = a1(j17): c(17) = a1(j17) Else GoTo 6170
a(17) = a1(j17)

a(21) = Pr3 - a(17): If b(a(21)) = 0 Then b(a(21)) = a(21): c(21) = a(21) Else GoTo 6210

For j18 = m1 To m2
If b1(a1(j18)) = 0 Then GoTo 6180
If b(a1(j18)) = 0 Then b(a1(j18)) = a1(j18): c(18) = a1(j18) Else GoTo 6180
a(18) = a1(j18)

a(22) = Pr3 - a(18): If b(a(22)) = 0 Then b(a(22)) = a(22): c(22) = a(22) Else GoTo 6220

For j19 = m1 To m2
If b1(a1(j19)) = 0 Then GoTo 6190
If b(a1(j19)) = 0 Then b(a1(j19)) = a1(j19): c(19) = a1(j19) Else GoTo 6190
a(19) = a1(j19)

a(24) = Pr3 - a(19): If b(a(24)) = 0 Then b(a(24)) = a(24): c(24) = a(24) Else GoTo 6240

a(20) = s6 - a(19) - a(18) - a(17) - a(6) - a(1)
If a(20) < a1(m1) Or a(20) > a1(m2) Then GoTo 6200:
If b1(a(20)) = 0 Then GoTo 6200
If b(a(20)) = 0 Then b(a(20)) = a(20): c(20) = a(20) Else GoTo 6200

a(23) = Pr3 - a(20): If b(a(23)) = 0 Then b(a(23)) = a(23): c(23) = a(23) Else GoTo 6230

For j25 = m1 To m2
If b1(a1(j25)) = 0 Then GoTo 6250
If b(a1(j25)) = 0 Then b(a1(j25)) = a1(j25): c(25) = a1(j25) Else GoTo 6250
a(25) = a1(j25)

a(27) = Pr3 - a(25): If b(a(27)) = 0 Then b(a(27)) = a(27): c(27) = a(27) Else GoTo 6270

a(26) = s6 - a(25) - a(24) - a(20) - a(7) - a(4)
If a(26) < a1(m1) Or a(26) > a1(m2) Then GoTo 6260:
If b1(a(26)) = 0 Then GoTo 6260
If b(a(26)) = 0 Then b(a(26)) = a(26): c(26) = a(26) Else GoTo 6260

a(28) = Pr3 - a(26): If b(a(28)) = 0 Then b(a(28)) = a(28): c(28) = a(28) Else GoTo 6280

Return

b(c(28)) = 0: c(28) = 0
6280 b(c(26)) = 0: c(26) = 0
6260 b(c(27)) = 0: c(27) = 0
6270 b(c(25)) = 0: c(25) = 0
6250 Next j25

b(c(23)) = 0: c(23) = 0
6230 b(c(20)) = 0: c(20) = 0
6200 b(c(24)) = 0: c(24) = 0
6240 b(c(19)) = 0: c(19) = 0
6190 Next j19

b(c(22)) = 0: c(22) = 0
6220 b(c(18)) = 0: c(18) = 0
6180 Next j18

b(c(21)) = 0: c(21) = 0
6210 b(c(17)) = 0: c(17) = 0
6170 Next j17

6090 b(c(8)) = 0: c(8) = 0
6080 b(c(4)) = 0: c(4) = 0
6040 b(c(7)) = 0: c(7) = 0
6070 b(c(3)) = 0: c(3) = 0
6030 Next j3

b(c(6)) = 0: c(6) = 0
6060 b(c(2)) = 0: c(2) = 0
6020 Next j2

b(c(5)) = 0: c(5) = 0
6050 b(c(1)) = 0: c(1) = 0
6010 Next j1

fl1 = 0

Return

'    Complete  Eccentrc Squares B1/2 (7 x 7)
'    Main Diagonal and Related Pairs

7000 fl1 = 1

For j10 = m1 To m2
If b1(a1(j10)) = 0 Then GoTo 7100
If b(a1(j10)) = 0 Then b(a1(j10)) = a1(j10): c(10) = a1(j10) Else GoTo 7100
a(10) = a1(j10)

a(14) = Pr3 - a(10): If b(a(14)) = 0 Then b(a(14)) = a(14): c(14) = a(14) Else GoTo 7140

For j11 = m1 To m2
If b1(a1(j11)) = 0 Then GoTo 7110
If b(a1(j11)) = 0 Then b(a1(j11)) = a1(j11): c(11) = a1(j11) Else GoTo 7110
a(11) = a1(j11)

a(15) = Pr3 - a(11): If b(a(15)) = 0 Then b(a(15)) = a(15): c(15) = a(15) Else GoTo 7150

For j12 = m1 To m2
If b1(a1(j12)) = 0 Then GoTo 7120
If b(a1(j12)) = 0 Then b(a1(j12)) = a1(j12): c(12) = a1(j12) Else GoTo 7120
a(12) = a1(j12)

a(16) = Pr3 - a(12): If b(a(16)) = 0 Then b(a(16)) = a(16): c(16) = a(16) Else GoTo 7160

a(13) = (s7 - Crnr3(i35)) - a(12) - a(11) - a(10)
If a(13) < a1(m1) Or a(13) > a1(m2) Then GoTo 7130:
If b1(a(13)) = 0 Then GoTo 7130
If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 7130

a(17) = Pr3 - a(13): If b(a(17)) = 0 Then b(a(17)) = a(17): c(17) = a(17) Else GoTo 7170

For j18 = m1 To m2
If b1(a1(j18)) = 0 Then GoTo 7180
If b(a1(j18)) = 0 Then b(a1(j18)) = a1(j18): c(18) = a1(j18) Else GoTo 7180
a(18) = a1(j18)

a(19) = Pr3 - a(18): If b(a(19)) = 0 Then b(a(19)) = a(19): c(19) = a(19) Else GoTo 7190

a(20) = s7 - s3 - a(10) - a(15) - a(18)
If a(20) < a1(m1) Or a(20) > a1(m2) Then GoTo 7200:
If b1(a(20)) = 0 Then GoTo 7200
If b(a(20)) = 0 Then b(a(20)) = a(20): c(20) = a(20) Else GoTo 7200

a(21) = Pr3 - a(20): If b(a(21)) = 0 Then b(a(21)) = a(21): c(21) = a(21) Else GoTo 7210

For j22 = m1 To m2
If b1(a1(j22)) = 0 Then GoTo 7220
If b(a1(j22)) = 0 Then b(a1(j22)) = a1(j22): c(22) = a1(j22) Else GoTo 7220
a(22) = a1(j22)

a(23) = Pr3 - a(22): If b(a(23)) = 0 Then b(a(23)) = a(23): c(23) = a(23) Else GoTo 7230

a(24) = s7 - s3 - a(13) - a(16) - a(22)
If a(24) < a1(m1) Or a(24) > a1(m2) Then GoTo 7240:
If b1(a(24)) = 0 Then GoTo 7240
If b(a(24)) = 0 Then b(a(24)) = a(24): c(24) = a(24) Else GoTo 7240

a(25) = Pr3 - a(24): If b(a(25)) = 0 Then b(a(25)) = a(25): c(25) = a(25) Else GoTo 7250

Return

b(c(25)) = 0: c(25) = 0
7250 b(c(24)) = 0: c(24) = 0
7240 b(c(23)) = 0: c(23) = 0
7230 b(c(22)) = 0: c(22) = 0
7220 Next j22

b(c(21)) = 0: c(21) = 0
7210 b(c(20)) = 0: c(20) = 0
7200 b(c(19)) = 0: c(19) = 0
7190 b(c(18)) = 0: c(18) = 0
7180 Next j18

b(c(17)) = 0: c(17) = 0
7170 b(c(13)) = 0: c(13) = 0
7130 b(c(16)) = 0: c(16) = 0
7160 b(c(12)) = 0: c(12) = 0
7120 Next j12

b(c(15)) = 0: c(15) = 0
7150 b(c(11)) = 0: c(11) = 0
7110 Next j11

b(c(14)) = 0: c(14) = 0
7140 b(c(10)) = 0: c(10) = 0
7100 Next j10

fl1 = 0
Return

'    Generate Pan Magic Squares Pm1/2 (4 x 4)

4000 fl1 = 1

For j16 = m1 To m2                                          'a(16)
If b1(a1(j16)) = 0 Then GoTo 4160
If b(a1(j16)) = 0 Then b(a1(j16)) = a1(j16): c(16) = a1(j16) Else GoTo 4160
a(16) = a1(j16)

For j15 = m1 To m2                                          'a(15)
If b1(a1(j15)) = 0 Then GoTo 4150
If b(a1(j15)) = 0 Then b(a1(j15)) = a1(j15): c(15) = a1(j15) Else GoTo 4150
a(15) = a1(j15)

For j14 = m1 To m2                                          'a(14)
If b1(a1(j14)) = 0 Then GoTo 4140
If b(a1(j14)) = 0 Then b(a1(j14)) = a1(j14): c(14) = a1(j14) Else GoTo 4140
a(14) = a1(j14)

a(13) = s4 - a(14) - a(15) - a(16)
If a(13) < a1(m1) Or a(13) > a1(m2) Then GoTo 4130
If b1(a(13)) = 0 Then GoTo 4130
If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 4130

For j12 = m1 To m2                                          'a(12)
If b1(a1(j12)) = 0 Then GoTo 4120
If b(a1(j12)) = 0 Then b(a1(j12)) = a1(j12): c(12) = a1(j12) Else GoTo 4120
a(12) = a1(j12)

a(11) = s4 - a(12) - a(15) - a(16)
If a(11) < a1(m1) Or a(11) > a1(m2) Then GoTo 4070
If b1(a(11)) = 0 Then GoTo 4070

a(10) = a(12) - a(14) + a(16)
If a(10) < a1(m1) Or a(10) > a1(m2) Then GoTo 4070
If b1(a(10)) = 0 Then GoTo 4070

a(9) = -a(12) + a(14) + a(15)
If a(9) < a1(m1) Or a(9) > a1(m2) Then GoTo 4070
If b1(a(9)) = 0 Then GoTo 4070

a(8) = 0.5 * s4 - a(14)
If a(8) < a1(m1) Or a(8) > a1(m2) Then GoTo 4070
If b1(a(8)) = 0 Then GoTo 4070

a(7) = -0.5 * s4 + a(14) + a(15) + a(16)
If a(7) < a1(m1) Or a(7) > a1(m2) Then GoTo 4070:
If b1(a(7)) = 0 Then GoTo 4070

a(6) = 0.5 * s4 - a(16)
If a(6) < a1(m1) Or a(6) > a1(m2) Then GoTo 4070:
If b1(a(6)) = 0 Then GoTo 4070

a(5) = 0.5 * s4 - a(15)
If a(5) < a1(m1) Or a(5) > a1(m2) Then GoTo 4070:
If b1(a(5)) = 0 Then GoTo 4070

a(4) = 0.5 * s4 - a(12) + a(14) - a(16)
If a(4) < a1(m1) Or a(4) > a1(m2) Then GoTo 4070:
If b1(a(4)) = 0 Then GoTo 4070

a(3) = 0.5 * s4 + a(12) - a(14) - a(15)
If a(3) < a1(m1) Or a(3) > a1(m2) Then GoTo 4070:
If b1(a(3)) = 0 Then GoTo 4070

a(2) = 0.5 * s4 - a(12)
If a(2) < a1(m1) Or a(2) > a1(m2) Then GoTo 4070:
If b1(a(2)) = 0 Then GoTo 4070

a(1) = -0.5 * s4 + a(12) + a(15) + a(16)
If a(1) < a1(m1) Or a(1) > a1(m2) Then GoTo 4070:
If b1(a(1)) = 0 Then GoTo 4070

'                 Exclude solutions with identical numbers (PM4)

n32 = 16: GoSub 800: If fl1 = 0 Then GoTo 4070

Return

4070 b(c(12)) = 0: c(12) = 0
4120 Next j12

b(c(13)) = 0: c(13) = 0
4130 b(c(14)) = 0: c(14) = 0
4140 Next j14
b(c(15)) = 0: c(15) = 0
4150 Next j15
b(c(16)) = 0: c(16) = 0
4160 Next j16

fl1 = 0
Return

'   Check Identical Numbers a()

800 fl1 = 1
For i1 = 1 To n32
a20 = a(i1)
For i2 = (1 + i1) To n32
If a20 = a(i2) Then fl1 = 0: Return
Next i2
Next i1
Return

'   Double Check Identical Numbers a15()

850 fl1 = 1
For i1 = 1 To 225
a20 = a15(i1): If a20 = 0 Then GoTo 860
For i2 = (1 + i1) To 225
If a20 = a15(i2) Then fl1 = 0: Return
Next i2
860 Next i1
Return

'   Remove used pairs from b1()

900 For i1 = 1 To n32
b1(a(i1)) = 0
Next i1
Return

'    Print results (lines)

1640 Cells(n9, 226).Select
For i1 = 1 To 225
Cells(n9, i1).Value = a15(i1)
Next i1
Cells(n9, 226).Value = s15
Cells(n9, 227).Value = j100
Return

'    Print results (squares)

1650 n2 = n2 + 1
If n2 = 3 Then
n2 = 1: k1 = k1 + 16: k2 = 1
Else
If n9 > 1 Then k2 = k2 + 12
End If

Cells(k1, k2 + 1).Select
Cells(k1, k2 + 1).Font.Color = -4165632
Cells(k1, k2 + 1).Value = j100

i3 = 0
For i1 = 1 To 15
For i2 = 1 To 15
i3 = i3 + 1
Cells(k1 + i1, k2 + i2).Value = a15(i3)
Next i2
Next i1

'    Sheets("Lines3").Cells(j100, 11).Value = "ok"

Return

'    Define integer

2010 Pr3 = 226:  Cntr3 = 113: nVar = 225

s3 = 3 * Cntr3                                'MC3
s4 = 4 * Cntr3                                'MC4
s5 = 5 * Cntr3                                'MC5
s6 = 6 * Cntr3                                'MC6
s7 = 7 * Cntr3                                'MC7
s9 = 9 * Cntr3                                'MC9
s11 = 11 * Cntr3                              'MC11
s15 = 15 * Cntr3                              'MC15

Erase b1
For i1 = 1 To nVar
a1(i1) = i1: b1(i1) = i1
Next i1
m1 = 1: m2 = nVar

Return

End Sub
```