' Constructs Borders for 11 x 11 Concentric Magic Squares (Distinct Integers)

' Tested with Office 2007 under Windows 7

```Sub Priem11a()

Dim a1(40), a(121), b1(121), b(121), c(121)

y = MsgBox("Locked", vbCritical, "Routine Priem11a")
End

n2 = 0: n3 = 0: k1 = 1: k2 = 1: n9 = 0: n10 = 0

'  Define Integers

For i1 = 1 To 20
a1(i1) = i1: a1(i1 + 20) = i1 + 101
Next i1

Erase b1
For i1 = 1 To 40
b1(a1(i1)) = a1(i1)
Next i1
m1 = 1: m2 = 40

s1 = 671: Pr11 = 122

'  Generate Squares

t1 = Timer

For j121 = m1 To m2                                               'a(121)
If b(a1(j121)) = 0 Then b(a1(j121)) = a1(j121): c(121) = a1(j121) Else GoTo 1210
a(121) = a1(j121)

a(1) = Pr11 - a(121): If b(a(1)) = 0 Then b(a(1)) = a(1): c(1) = a(1) Else GoTo 10

For j120 = m1 To 21 ''m1 To m2                                               'a(120)
If b(a1(j120)) = 0 Then b(a1(j120)) = a1(j120): c(120) = a1(j120) Else GoTo 1200
a(120) = a1(j120)

a(10) = Pr11 - a(120): If b(a(10)) = 0 Then b(a(10)) = a(10): c(10) = a(10) Else GoTo 100

For j119 = j120 + 1 To j120 + 1 ''m1 To m2                                               'a(119)
If b(a1(j119)) = 0 Then b(a1(j119)) = a1(j119): c(119) = a1(j119) Else GoTo 1190
a(119) = a1(j119)

a(9) = Pr11 - a(119): If b(a(9)) = 0 Then b(a(9)) = a(9): c(9) = a(9) Else GoTo 90

For j118 = j119 + 1 To j119 + 1 ''m1 To m2                                               'a(118)
If b(a1(j118)) = 0 Then b(a1(j118)) = a1(j118): c(118) = a1(j118) Else GoTo 1180
a(118) = a1(j118)

a(8) = Pr11 - a(118): If b(a(8)) = 0 Then b(a(8)) = a(8): c(8) = a(8) Else GoTo 80

For j117 = j118 + 1 To j118 + 1 ''m1 To m2                                               'a(117)
If b(a1(j117)) = 0 Then b(a1(j117)) = a1(j117): c(117) = a1(j117) Else GoTo 1170
a(117) = a1(j117)

a(7) = Pr11 - a(117): If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 70

For j116 = 21 To m2 ''m1 To m2                                               'a(116)
If b(a1(j116)) = 0 Then b(a1(j116)) = a1(j116): c(116) = a1(j116) Else GoTo 1160
a(116) = a1(j116)

a(6) = Pr11 - a(116): If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 60

For j115 = 21 To m2 ''m1 To m2                                               'a(115)
If b(a1(j115)) = 0 Then b(a1(j115)) = a1(j115): c(115) = a1(j115) Else GoTo 1150
a(115) = a1(j115)

a(5) = Pr11 - a(115): If b(a(5)) = 0 Then b(a(5)) = a(5): c(5) = a(5) Else GoTo 50

For j114 = 21 To m2 ''m1 To m2                                               'a(114)
If b(a1(j114)) = 0 Then b(a1(j114)) = a1(j114): c(114) = a1(j114) Else GoTo 1140
a(114) = a1(j114)

a(4) = Pr11 - a(114): If b(a(4)) = 0 Then b(a(4)) = a(4): c(4) = a(4) Else GoTo 40

For j113 = 21 To m2 ''m1 To m2                                               'a(113)
If b(a1(j113)) = 0 Then b(a1(j113)) = a1(j113): c(113) = a1(j113) Else GoTo 1130
a(113) = a1(j113)

a(3) = Pr11 - a(113): If b(a(3)) = 0 Then b(a(3)) = a(3): c(3) = a(3) Else GoTo 30

For j112 = 21 To m2 ''m1 To m2                                               'a(112)
If b(a1(j112)) = 0 Then b(a1(j112)) = a1(j112): c(112) = a1(j112) Else GoTo 1120
a(112) = a1(j112)

a(2) = Pr11 - a(112): If b(a(2)) = 0 Then b(a(2)) = a(2): c(2) = a(2) Else GoTo 20

a(111) = s1 - a(112) - a(113) - a(114) - a(115) - a(116) - a(117) - a(118) - a(119) - a(120) - a(121)
If a(111) < a1(m1) Or a(111) > a1(m2) Then GoTo 1110:
If b1(a(111)) = 0 Then GoTo 1110
If b(a(111)) = 0 Then b(a(111)) = a(111): c(111) = a(111) Else GoTo 1110

a(11) = Pr11 - a(111): If b(a(11)) = 0 Then b(a(11)) = a(11): c(11) = a(11) Else GoTo 110

For j110 = 21 To m2 ''m1 To m2                                               'a(110)
If b(a1(j110)) = 0 Then b(a1(j110)) = a1(j110): c(110) = a1(j110) Else GoTo 1100
a(110) = a1(j110)

a(100) = Pr11 - a(110): If b(a(100)) = 0 Then b(a(100)) = a(100): c(100) = a(100) Else GoTo 1000

For j99 = j110 + 1 To j110 + 1 ''m1 To m2                                               'a(99)
If b(a1(j99)) = 0 Then b(a1(j99)) = a1(j99): c(99) = a1(j99) Else GoTo 990
a(99) = a1(j99)

a(89) = Pr11 - a(99): If b(a(89)) = 0 Then b(a(89)) = a(89): c(89) = a(89) Else GoTo 890

For j88 = j99 + 1 To j99 + 1 ''m1 To m2                                               'a(88)
If b(a1(j88)) = 0 Then b(a1(j88)) = a1(j88): c(88) = a1(j88) Else GoTo 880
a(88) = a1(j88)

a(78) = Pr11 - a(88): If b(a(78)) = 0 Then b(a(78)) = a(78): c(78) = a(78) Else GoTo 780

For j77 = j88 + 1 To j88 + 1 ''m1 To m2                                               'a(77)
If b(a1(j77)) = 0 Then b(a1(j77)) = a1(j77): c(77) = a1(j77) Else GoTo 770
a(77) = a1(j77)

a(67) = Pr11 - a(77): If b(a(67)) = 0 Then b(a(67)) = a(67): c(67) = a(67) Else GoTo 670

For j66 = j77 + 1 To j77 + 1 ''m1 To m2                                               'a(66)
If b(a1(j66)) = 0 Then b(a1(j66)) = a1(j66): c(66) = a1(j66) Else GoTo 660
a(66) = a1(j66)

a(56) = Pr11 - a(66): If b(a(56)) = 0 Then b(a(56)) = a(56): c(56) = a(56) Else GoTo 560

For j55 = m1 To 20 ''m2                                               'a(55)
If b(a1(j55)) = 0 Then b(a1(j55)) = a1(j55): c(55) = a1(j55) Else GoTo 550
a(55) = a1(j55)

a(45) = Pr11 - a(55): If b(a(45)) = 0 Then b(a(45)) = a(45): c(45) = a(45) Else GoTo 450

For j44 = m1 To 20 ''m2                                               'a(44)
If b(a1(j44)) = 0 Then b(a1(j44)) = a1(j44): c(44) = a1(j44) Else GoTo 440
a(44) = a1(j44)

a(34) = Pr11 - a(44): If b(a(34)) = 0 Then b(a(34)) = a(34): c(34) = a(34) Else GoTo 340

For j33 = m1 To 20 ''m2                                               'a(33)
If b(a1(j33)) = 0 Then b(a1(j33)) = a1(j33): c(33) = a1(j33) Else GoTo 330
a(33) = a1(j33)

a(23) = Pr11 - a(33): If b(a(23)) = 0 Then b(a(23)) = a(23): c(23) = a(23) Else GoTo 230

a(22) = s1 - a(11) - a(33) - a(44) - a(55) - a(66) - a(77) - a(88) - a(99) - a(110) - a(121)
If a(22) < a1(m1) Or a(22) > a1(m2) Then GoTo 220:
If b1(a(22)) = 0 Then GoTo 220
If b(a(22)) = 0 Then b(a(22)) = a(22): c(22) = a(22) Else GoTo 220

a(12) = Pr11 - a(22): If b(a(12)) = 0 Then b(a(12)) = a(12): c(12) = a(12) Else GoTo 120

n9 = n9 + 1: GoSub 650
Erase b, c: GoTo 1210

b(c(12)) = 0: c(12) = 0
120 b(c(22)) = 0: c(22) = 0
220 b(c(23)) = 0: c(23) = 0
230 b(c(33)) = 0: c(33) = 0
330 Next j33

b(c(34)) = 0: c(34) = 0
340 b(c(44)) = 0: c(44) = 0
440 Next j44

b(c(45)) = 0: c(45) = 0
450 b(c(55)) = 0: c(55) = 0
550 Next j55

b(c(56)) = 0: c(56) = 0
560 b(c(66)) = 0: c(66) = 0
660 Next j66

b(c(67)) = 0: c(67) = 0
670 b(c(77)) = 0: c(77) = 0
770 Next j77

b(c(78)) = 0: c(78) = 0
780 b(c(88)) = 0: c(88) = 0
880 Next j88

b(c(89)) = 0: c(89) = 0
890 b(c(99)) = 0: c(99) = 0
990 Next j99

b(c(100)) = 0: c(100) = 0
1000 b(c(110)) = 0: c(110) = 0
1100 Next j110

b(c(11)) = 0: c(11) = 0
110  b(c(111)) = 0: c(111) = 0
1110 b(c(2)) = 0: c(2) = 0
20   b(c(112)) = 0: c(112) = 0
1120 Next j112

b(c(3)) = 0: c(3) = 0
30   b(c(113)) = 0: c(113) = 0
1130 Next j113

b(c(4)) = 0: c(4) = 0
40   b(c(114)) = 0: c(114) = 0
1140 Next j114

b(c(5)) = 0: c(5) = 0
50   b(c(115)) = 0: c(115) = 0
1150 Next j115

b(c(6)) = 0: c(6) = 0
60   b(c(116)) = 0: c(116) = 0
1160 Next j116

b(c(7)) = 0: c(7) = 0
70   b(c(117)) = 0: c(117) = 0
1170 Next j117

b(c(8)) = 0: c(8) = 0
80   b(c(118)) = 0: c(118) = 0
1180 Next j118

b(c(9)) = 0: c(9) = 0
90   b(c(119)) = 0: c(119) = 0
1190 Next j119

b(c(10)) = 0: c(10) = 0
100  b(c(120)) = 0: c(120) = 0
1200 Next j120

b(c(1)) = 0: c(1) = 0
10   b(c(121)) = 0: c(121) = 0
1210 Next j121

t2 = Timer

t10 = Str(t2 - t1) + " sec., " + Str(n9) + " Solutions for sum" + Str(s11)
y = MsgBox(t10, 0, "Routine Priem11a")

End

'   Print results (lines)

640  Cells(n9, 122).Select
For i1 = 1 To 121
Cells(n9, i1).Value = a(i1)
Next i1
Cells(n9, 122).Value = s1
Return

'   Print results (squares)

650  n2 = n2 + 1
If n2 = 3 Then
n2 = 1: k1 = k1 + 12: 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 = n9

i3 = 0
For i1 = 1 To 11
For i2 = 1 To 11
i3 = i3 + 1
Cells(k1 + i1, k2 + i2).Value = a(i3)
Next i2
Next i1
Return

End Sub
```