Vorige Pagina About the Author

' Generates Prime Number Magic Squares of order 8,
' (Magic Sub - and Embedded Squares, Bent Diagonals)
' Solutions found for ranges of Most Perfect Pan Magic Squares

' Tested with Office 2007 under Windows 7

Sub Priem8d2()

    Dim a1(1142), a(64), b1(19183), b(19183), c(64)

y = MsgBox("Locked", vbCritical, "Routine Priem8d2")
End

n2 = 0: n9 = 0: k1 = 1: k2 = 1
  
    Sheets("Klad1").Select
    
    t1 = Timer

    For j100 = 2064 To 2064
        
'       Read Pairs

        s1 = Sheets("Pairs8").Cells(j100, 4).Value
        nVar = Sheets("Pairs8").Cells(j100, 5).Value

        For j1 = 1 To nVar
            x = Sheets("Pairs8").Cells(j100, j1 + 6).Value
            b1(x) = x: a1(j1) = x
        Next j1

        m1 = 1: m2 = nVar

For j64 = m1 To m2
If b(a1(j64)) = 0 Then b(a1(j64)) = a1(j64): c(64) = a1(j64) Else GoTo 640
a(64) = a1(j64)

a(55) = 0.25 * s1 - a(64)
If a(55) < a1(m1) Or a(55) > a1(m2) Then GoTo 550
If b1(a(55)) = 0 Then GoTo 550
If b(a(55)) = 0 Then b(a(55)) = a(55): c(55) = a(55) Else GoTo 550

For j63 = m1 To m2
If b(a1(j63)) = 0 Then b(a1(j63)) = a1(j63): c(63) = a1(j63) Else GoTo 630
a(63) = a1(j63)

For j62 = m1 To m2
If b(a1(j62)) = 0 Then b(a1(j62)) = a1(j62): c(62) = a1(j62) Else GoTo 620
a(62) = a1(j62)

a(61) = 0.5 * s1 - a(62) - a(63) - a(64)
If a(61) < a1(m1) Or a(61) > a1(m2) Then GoTo 610
If b1(a(61)) = 0 Then GoTo 610
If b(a(61)) = 0 Then b(a(61)) = a(61): c(61) = a(61) Else GoTo 610

a(56) = -0.25 * s1 + a(61) + a(62) + a(64)
If a(56) < a1(m1) Or a(56) > a1(m2) Then GoTo 560
If b1(a(56)) = 0 Then GoTo 560
If b(a(56)) = 0 Then b(a(56)) = a(56): c(56) = a(56) Else GoTo 560

a(54) = 0.25 * s1 - a(61)
If a(54) < a1(m1) Or a(54) > a1(m2) Then GoTo 540
If b1(a(54)) = 0 Then GoTo 540
If b(a(54)) = 0 Then b(a(54)) = a(54): c(54) = a(54) Else GoTo 540

a(53) = 0.25 * s1 - a(62)
If a(53) < a1(m1) Or a(53) > a1(m2) Then GoTo 530
If b1(a(53)) = 0 Then GoTo 530
If b(a(53)) = 0 Then b(a(53)) = a(53): c(53) = a(53) Else GoTo 530

For j60 = m1 To m2
If b(a1(j60)) = 0 Then b(a1(j60)) = a1(j60): c(60) = a1(j60) Else GoTo 600
a(60) = a1(j60)

a(59) = 0.5 * s1 - a(60) - a(61) - a(62)
If a(59) < a1(m1) Or a(59) > a1(m2) Then GoTo 590
If b1(a(59)) = 0 Then GoTo 590
If b(a(59)) = 0 Then b(a(59)) = a(59): c(59) = a(59) Else GoTo 590

a(52) = -0.25 * s1 + a(60) + a(61) + a(62)
If a(52) < a1(m1) Or a(52) > a1(m2) Then GoTo 520
If b1(a(52)) = 0 Then GoTo 520
If b(a(52)) = 0 Then b(a(52)) = a(52): c(52) = a(52) Else GoTo 520

a(51) = 0.25 * s1 - a(60)
If a(51) < a1(m1) Or a(51) > a1(m2) Then GoTo 510
If b1(a(51)) = 0 Then GoTo 510
If b(a(51)) = 0 Then b(a(51)) = a(51): c(51) = a(51) Else GoTo 510

For j58 = m1 To m2
If b(a1(j58)) = 0 Then b(a1(j58)) = a1(j58): c(58) = a1(j58) Else GoTo 580
a(58) = a1(j58)

a(57) = -a(58) + a(61) + a(62)
If a(57) < a1(m1) Or a(57) > a1(m2) Then GoTo 570
If b1(a(57)) = 0 Then GoTo 570
If b(a(57)) = 0 Then b(a(57)) = a(57): c(57) = a(57) Else GoTo 570

a(50) = 0.25 * s1 + a(58) - a(61) - a(62)
If a(50) < a1(m1) Or a(50) > a1(m2) Then GoTo 500
If b1(a(50)) = 0 Then GoTo 500
If b(a(50)) = 0 Then b(a(50)) = a(50): c(50) = a(50) Else GoTo 500

a(49) = 0.25 * s1 - a(58)
If a(49) < a1(m1) Or a(49) > a1(m2) Then GoTo 490
If b1(a(49)) = 0 Then GoTo 490
If b(a(49)) = 0 Then b(a(49)) = a(49): c(49) = a(49) Else GoTo 490

For j48 = m1 To m2
If b(a1(j48)) = 0 Then b(a1(j48)) = a1(j48): c(48) = a1(j48) Else GoTo 480
a(48) = a1(j48)

a(47) = -0.25 * s1 + a(48) + a(56) + a(64)
If a(47) < a1(m1) Or a(47) > a1(m2) Then GoTo 470
If b1(a(47)) = 0 Then GoTo 470
If b(a(47)) = 0 Then b(a(47)) = a(47): c(47) = a(47) Else GoTo 470

a(46) = 0.25 * s1 - a(48) - a(56) + a(61)
If a(46) < a1(m1) Or a(46) > a1(m2) Then GoTo 460
If b1(a(46)) = 0 Then GoTo 460
If b(a(46)) = 0 Then b(a(46)) = a(46): c(46) = a(46) Else GoTo 460

a(45) = 0.5 * s1 - a(48) - a(61) - a(64)
If a(45) < a1(m1) Or a(45) > a1(m2) Then GoTo 450
If b1(a(45)) = 0 Then GoTo 450
If b(a(45)) = 0 Then b(a(45)) = a(45): c(45) = a(45) Else GoTo 450

a(44) = (-0.25 * s1 + 2 * a(48) + a(56) - 2 * a(60) + a(63) + 2 * a(64)) / 2:
j44 = Int(a(44)): If j44 <> a(44) Then GoTo 440
If a(44) < a1(m1) Or a(44) > a1(m2) Then GoTo 440
If b1(a(44)) = 0 Then GoTo 440
If b(a(44)) = 0 Then b(a(44)) = a(44): c(44) = a(44) Else GoTo 440

a(43) = -0.5 * s1 + a(44) + 2 * a(60) + a(61) + a(62)
If a(43) < a1(m1) Or a(43) > a1(m2) Then GoTo 430
If b1(a(43)) = 0 Then GoTo 430
If b(a(43)) = 0 Then b(a(43)) = a(43): c(43) = a(43) Else GoTo 430

a(42) = -a(43) - a(58) + a(60) + a(61) + a(62)
If a(42) < a1(m1) Or a(42) > a1(m2) Then GoTo 420
If b1(a(42)) = 0 Then GoTo 420
If b(a(42)) = 0 Then b(a(42)) = a(42): c(42) = a(42) Else GoTo 420

a(41) = a(42) + 2 * a(58) - a(61) - a(62)
If a(41) < a1(m1) Or a(41) > a1(m2) Then GoTo 410
If b1(a(41)) = 0 Then GoTo 410
If b(a(41)) = 0 Then b(a(41)) = a(41): c(41) = a(41) Else GoTo 410

a(40) = 0.5 * s1 - a(48) - a(56) - a(64)
If a(40) < a1(m1) Or a(40) > a1(m2) Then GoTo 400
If b1(a(40)) = 0 Then GoTo 400
If b(a(40)) = 0 Then b(a(40)) = a(40): c(40) = a(40) Else GoTo 400

a(39) = 0.25 * s1 - a(48)
If a(39) < a1(m1) Or a(39) > a1(m2) Then GoTo 390
If b1(a(39)) = 0 Then GoTo 390
If b(a(39)) = 0 Then b(a(39)) = a(39): c(39) = a(39) Else GoTo 390

a(38) = -0.25 * s1 + a(48) + a(61) + a(64)
If a(38) < a1(m1) Or a(38) > a1(m2) Then GoTo 380
If b1(a(38)) = 0 Then GoTo 380
If b(a(38)) = 0 Then b(a(38)) = a(38): c(38) = a(38) Else GoTo 380

a(37) = 0.5 * s1 - a(38) - a(39) - a(40)
If a(37) < a1(m1) Or a(37) > a1(m2) Then GoTo 370
If b1(a(37)) = 0 Then GoTo 370
If b(a(37)) = 0 Then b(a(37)) = a(37): c(37) = a(37) Else GoTo 370

a(36) = 0.25 * s1 + a(41) - a(58) - a(60)
If a(36) < a1(m1) Or a(36) > a1(m2) Then GoTo 360
If b1(a(36)) = 0 Then GoTo 360
If b(a(36)) = 0 Then b(a(36)) = a(36): c(36) = a(36) Else GoTo 360

a(35) = 0.5 * s1 - a(36) - a(37) - a(38)
If a(35) < a1(m1) Or a(35) > a1(m2) Then GoTo 350
If b1(a(35)) = 0 Then GoTo 350
If b(a(35)) = 0 Then b(a(35)) = a(35): c(35) = a(35) Else GoTo 350

a(34) = -a(35) - a(58) + a(60) + a(61) + a(62)
If a(34) < a1(m1) Or a(34) > a1(m2) Then GoTo 340
If b1(a(34)) = 0 Then GoTo 340
If b(a(34)) = 0 Then b(a(34)) = a(34): c(34) = a(34) Else GoTo 340

a(33) = 0.5 * s1 - a(34) - a(35) - a(36)
If a(33) < a1(m1) Or a(33) > a1(m2) Then GoTo 330
If b1(a(33)) = 0 Then GoTo 330
If b(a(33)) = 0 Then b(a(33)) = a(33): c(33) = a(33) Else GoTo 330

For j32 = m1 To m2
If b(a1(j32)) = 0 Then b(a1(j32)) = a1(j32): c(32) = a1(j32) Else GoTo 320
a(32) = a1(j32)

a(31) = 0.25 * s1 + a(32) - a(56) - a(64)
If a(31) < a1(m1) Or a(31) > a1(m2) Then GoTo 310
If b1(a(31)) = 0 Then GoTo 310
If b(a(31)) = 0 Then b(a(31)) = a(31): c(31) = a(31) Else GoTo 310

a(30) = 0.25 * s1 - a(32) + a(56) - a(61)
If a(30) < a1(m1) Or a(30) > a1(m2) Then GoTo 300
If b1(a(30)) = 0 Then GoTo 300
If b(a(30)) = 0 Then b(a(30)) = a(30): c(30) = a(30) Else GoTo 300

a(29) = 0.5 * s1 - a(30) - a(31) - a(32)
If a(29) < a1(m1) Or a(29) > a1(m2) Then GoTo 290
If b1(a(29)) = 0 Then GoTo 290
If b(a(29)) = 0 Then b(a(29)) = a(29): c(29) = a(29) Else GoTo 290

a(28) = (-0.25 * s1 + 2 * a(32) - a(56) + 2 * a(60) + a(61) + a(62) - a(64)) / 2:
j28 = Int(a(28)): If j28 <> a(28) Then GoTo 280
If a(28) < a1(m1) Or a(28) > a1(m2) Then GoTo 280
If b1(a(28)) = 0 Then GoTo 280
If b(a(28)) = 0 Then b(a(28)) = a(28): c(28) = a(28) Else GoTo 280

a(27) = 0.5 * s1 - a(28) - a(29) - a(30)
If a(27) < a1(m1) Or a(27) > a1(m2) Then GoTo 270
If b1(a(27)) = 0 Then GoTo 270
If b(a(27)) = 0 Then b(a(27)) = a(27): c(27) = a(27) Else GoTo 270

a(26) = -a(28) + a(58) + a(60)
If a(26) < a1(m1) Or a(26) > a1(m2) Then GoTo 260
If b1(a(26)) = 0 Then GoTo 260
If b(a(26)) = 0 Then b(a(26)) = a(26): c(26) = a(26) Else GoTo 260

a(25) = 0.5 * s1 - a(26) - a(27) - a(28)
If a(25) < a1(m1) Or a(25) > a1(m2) Then GoTo 250
If b1(a(25)) = 0 Then GoTo 250
If b(a(25)) = 0 Then b(a(25)) = a(25): c(25) = a(25) Else GoTo 250

a(24) = -a(32) + a(56) + a(64)
If a(24) < a1(m1) Or a(24) > a1(m2) Then GoTo 240
If b1(a(24)) = 0 Then GoTo 240
If b(a(24)) = 0 Then b(a(24)) = a(24): c(24) = a(24) Else GoTo 240

a(23) = 0.25 * s1 - a(32)
If a(23) < a1(m1) Or a(23) > a1(m2) Then GoTo 230
If b1(a(23)) = 0 Then GoTo 230
If b(a(23)) = 0 Then b(a(23)) = a(23): c(23) = a(23) Else GoTo 230

a(22) = a(30) + 2 * a(32) - a(56) - a(64)
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(21) = 0.5 * s1 - a(22) - a(23) - a(24)
If a(21) < a1(m1) Or a(21) > a1(m2) Then GoTo 210
If b1(a(21)) = 0 Then GoTo 210
If b(a(21)) = 0 Then b(a(21)) = a(21): c(21) = a(21) Else GoTo 210

a(20) = -0.25 * s1 + a(25) + a(58) + a(60)
If a(20) < a1(m1) Or a(20) > a1(m2) Then GoTo 200
If b1(a(20)) = 0 Then GoTo 200
If b(a(20)) = 0 Then b(a(20)) = a(20): c(20) = a(20) Else GoTo 200

a(19) = 0.5 * s1 - a(20) - a(21) - a(22)
If a(19) < a1(m1) Or a(19) > a1(m2) Then GoTo 190
If b1(a(19)) = 0 Then GoTo 190
If b(a(19)) = 0 Then b(a(19)) = a(19): c(19) = a(19) Else GoTo 190

a(18) = -a(20) + a(58) + a(60)
If a(18) < a1(m1) Or a(18) > a1(m2) Then GoTo 180
If b1(a(18)) = 0 Then GoTo 180
If b(a(18)) = 0 Then b(a(18)) = a(18): c(18) = a(18) Else GoTo 180

a(17) = 0.5 * s1 - a(18) - a(19) - a(20)
If a(17) < a1(m1) Or a(17) > a1(m2) Then GoTo 170
If b1(a(17)) = 0 Then GoTo 170
If b(a(17)) = 0 Then b(a(17)) = a(17): c(17) = a(17) Else GoTo 170

For j16 = m1 To m2
If b(a1(j16)) = 0 Then b(a1(j16)) = a1(j16): c(16) = a1(j16) Else GoTo 160
a(16) = a1(j16)

a(15) = -0.25 * s1 + a(16) + a(56) + a(64)
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(14) = 0.25 * s1 - a(16) + a(21) - a(32)
If a(14) < a1(m1) Or a(14) > a1(m2) Then GoTo 140
If b1(a(14)) = 0 Then GoTo 140
If b(a(14)) = 0 Then b(a(14)) = a(14): c(14) = a(14) Else GoTo 140

a(13) = 0.5 * s1 - a(14) - a(15) - a(16)
If a(13) < a1(m1) Or a(13) > a1(m2) Then GoTo 130
If b1(a(13)) = 0 Then GoTo 130
If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 130

a(12) = 0.25 * s1 + a(16) - a(17) + a(32) - a(58) - a(60):
If a(12) < a1(m1) Or a(12) > a1(m2) Then GoTo 120
If b1(a(12)) = 0 Then GoTo 120
If b(a(12)) = 0 Then b(a(12)) = a(12): c(12) = a(12) Else GoTo 120

a(11) = 0.5 * s1 - a(12) - a(13) - a(14)
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(10) = -a(11) - a(58) + a(60) + a(61) + a(62):
If a(10) < a1(m1) Or a(10) > a1(m2) Then GoTo 100
If b1(a(10)) = 0 Then GoTo 100
If b(a(10)) = 0 Then b(a(10)) = a(10): c(10) = a(10) Else GoTo 100

a(9) = 0.5 * s1 - a(10) - a(11) - a(12)
If a(9) < a1(m1) Or a(9) > a1(m2) Then GoTo 90
If b1(a(9)) = 0 Then GoTo 90
If b(a(9)) = 0 Then b(a(9)) = a(9): c(9) = a(9) Else GoTo 90

a(8) = 0.5 * s1 - a(16) - a(24) - a(32)
If a(8) < a1(m1) Or a(8) > a1(m2) Then GoTo 80
If b1(a(8)) = 0 Then GoTo 80
If b(a(8)) = 0 Then b(a(8)) = a(8): c(8) = a(8) Else GoTo 80

a(7) = 0.5 * s1 - a(16) - a(21) - a(30)
If a(7) < a1(m1) Or a(7) > a1(m2) Then GoTo 70
If b1(a(7)) = 0 Then GoTo 70
If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 70

a(6) = 0.5 * s1 - a(13) - a(24) - a(31)
If a(6) < a1(m1) Or a(6) > a1(m2) Then GoTo 60
If b1(a(6)) = 0 Then GoTo 60
If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 60

a(5) = 0.5 * s1 - a(6) - a(7) - a(8)
If a(5) < a1(m1) Or a(5) > a1(m2) Then GoTo 50
If b1(a(5)) = 0 Then GoTo 50
If b(a(5)) = 0 Then b(a(5)) = a(5): c(5) = a(5) Else GoTo 50

a(4) = 0.5 * s1 - a(12) - a(20) - a(28)
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(3) = 0.5 * s1 - a(4) - a(5) - a(6)
If a(3) < a1(m1) Or a(3) > a1(m2) Then GoTo 30
If b1(a(3)) = 0 Then GoTo 30
If b(a(3)) = 0 Then b(a(3)) = a(3): c(3) = a(3) Else GoTo 30

a(2) = 0.5 * s1 - a(9) - a(20) - a(27)
If a(2) < a1(m1) Or a(2) > a1(m2) Then GoTo 20
If b1(a(2)) = 0 Then GoTo 20
If b(a(2)) = 0 Then b(a(2)) = a(2): c(2) = a(2) Else GoTo 20

a(1) = 0.5 * s1 - a(2) - a(3) - a(4)
If a(1) < a1(m1) Or a(1) > a1(m2) Then GoTo 10
If b1(a(1)) = 0 Then GoTo 10
If b(a(1)) = 0 Then b(a(1)) = a(1): c(1) = a(1) Else GoTo 10

'                          Exclude solutions with identical numbers

                           GoSub 800: If fl1 = 0 Then GoTo 5
                           
                           n9 = n9 + 1
                           GoSub 650                'Print results (squares)
'                          GoSub 645                'Print results (selected numbers)
                           Erase b, c: GoTo 1000    'Print only first square
5
    b(c(1)) = 0: c(1) = 0
10  b(c(2)) = 0: c(2) = 0
20  b(c(3)) = 0: c(3) = 0
30  b(c(4)) = 0: c(4) = 0
40  b(c(5)) = 0: c(5) = 0
50  b(c(6)) = 0: c(6) = 0
60  b(c(7)) = 0: c(7) = 0
70  b(c(8)) = 0: c(8) = 0
80  b(c(9)) = 0: c(9) = 0
90  b(c(10)) = 0: c(10) = 0
100 b(c(11)) = 0: c(11) = 0
110 b(c(12)) = 0: c(12) = 0
120 b(c(13)) = 0: c(13) = 0
130 b(c(14)) = 0: c(14) = 0
140 b(c(15)) = 0: c(15) = 0
150 b(c(16)) = 0: c(16) = 0
160 Next j16

    b(c(17)) = 0: c(17) = 0
170 b(c(18)) = 0: c(18) = 0
180 b(c(19)) = 0: c(19) = 0
190 b(c(20)) = 0: c(20) = 0
200 b(c(21)) = 0: c(21) = 0
210 b(c(22)) = 0: c(22) = 0
220 b(c(23)) = 0: c(23) = 0
230 b(c(24)) = 0: c(24) = 0
240 b(c(25)) = 0: c(25) = 0
250 b(c(26)) = 0: c(26) = 0
260 b(c(27)) = 0: c(27) = 0
270 b(c(28)) = 0: c(28) = 0
280 b(c(29)) = 0: c(29) = 0
290 b(c(30)) = 0: c(30) = 0
300 b(c(31)) = 0: c(31) = 0
310 b(c(32)) = 0: c(32) = 0
320 Next j32

    b(c(33)) = 0: c(33) = 0
330 b(c(34)) = 0: c(34) = 0
340 b(c(35)) = 0: c(35) = 0
350 b(c(36)) = 0: c(36) = 0
360 b(c(37)) = 0: c(37) = 0
370 b(c(38)) = 0: c(38) = 0
380 b(c(39)) = 0: c(39) = 0
390 b(c(40)) = 0: c(40) = 0
400 b(c(41)) = 0: c(41) = 0
410 b(c(42)) = 0: c(42) = 0
420 b(c(43)) = 0: c(43) = 0
430 b(c(44)) = 0: c(44) = 0
440 b(c(45)) = 0: c(45) = 0
450 b(c(46)) = 0: c(46) = 0
460 b(c(47)) = 0: c(47) = 0
470 b(c(48)) = 0: c(48) = 0
480 Next j48

    b(c(49)) = 0: c(49) = 0
490 b(c(50)) = 0: c(50) = 0
500 b(c(57)) = 0: c(57) = 0
570 b(c(58)) = 0: c(58) = 0
580 Next j58
  
    b(c(51)) = 0: c(51) = 0
510 b(c(52)) = 0: c(52) = 0
520 b(c(59)) = 0: c(59) = 0
590 b(c(60)) = 0: c(60) = 0
600 Next j60

    b(c(53)) = 0: c(53) = 0
530 b(c(54)) = 0: c(54) = 0
540 b(c(56)) = 0: c(56) = 0
560 b(c(61)) = 0: c(61) = 0
610 b(c(62)) = 0: c(62) = 0
620 Next j62
    
    b(c(63)) = 0: c(63) = 0
630 Next j63
    
    b(c(55)) = 0: c(55) = 0
550 b(c(64)) = 0: c(64) = 0
640 Next j64

     Erase b, c
1000 Next j100

   t2 = Timer
    
   t10 = Str(t2 - t1) + " sec., " + Str(n9) + " Solutions for sum" + Str(s1)
   y = MsgBox(t10, 0, "Routine Priem8d2")

End

'   Print results (selected numbers)

645 For i1 = 1 To 64
        Cells(n9, i1).Value = a(i1)
    Next i1
    
    Return

'   Print results (squares)

650 n2 = n2 + 1
    If n2 = 5 Then
        n2 = 1: k1 = k1 + 9: k2 = 1
    Else
        If n9 > 1 Then k2 = k2 + 9
    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 8
        For i2 = 1 To 8
            i3 = i3 + 1
            Cells(k1 + i1, k2 + i2).Value = a(i3)
        Next i2
    Next i1

    Return

'   Exclude solutions with identical numbers

800 fl1 = 1
    For j1 = 1 To 64
       a2 = a(j1)
       For j2 = (1 + j1) To 64
           If a2 = a(j2) Then fl1 = 0: Return
       Next j2
    Next j1
    Return

End Sub

Vorige Pagina About the Author