' Generates Order 8 Ultra Magic Squares of Subtraction, s8 = 260, Res8 = 16
' Non Overlapping Sub Squares 2 x 2, Half Rows, Half Columns
' Tested with Office 365 under Windows 10
Sub MgcSqr8a()
Dim a1(1142), a(80), b1(20000), b(20000), c(80)
Dim b8(8), Res8(18)
y = MsgBox("Locked", vbCritical, "Routine MgcSqr8a")
End
n2 = 0: n3 = 0: n9 = 0: k1 = 1: k2 = 1
' Generate Squares
Sheets("Klad1").Select
t1 = Timer
' Define variables
GoSub 2000 'Read Natural Numbers
' Define Starting Condition
m58 = 36: m59 = 30: m60 = 3: m62 = 34: m63 = 32: m64 = 1:
m52 = 50: m56 = 45:
m46 = 59: m48 = 24:
For j64 = m64 To m2 'a(64)
If b(a1(j64)) = 0 Then b(a1(j64)) = a1(j64): c(64) = a1(j64) Else GoTo 640
a(64) = a1(j64)
Cells(1, 1).Value = j64
a(1) = s1 / 4 - a(64): If b(a(1)) = 0 Then b(a(1)) = a(1): c(1) = a(1) Else GoTo 10
For j63 = m63 To m2 'a(63)
If b(a1(j63)) = 0 Then b(a1(j63)) = a1(j63): c(63) = a1(j63) Else GoTo 630
a(63) = a1(j63)
Cells(2, 1).Value = j63
a(2) = s1 / 4 - a(63): If b(a(2)) = 0 Then b(a(2)) = a(2): c(2) = a(2) Else GoTo 20
For j62 = m62 To m2 'a(62)
If b(a1(j62)) = 0 Then b(a1(j62)) = a1(j62): c(62) = a1(j62) Else GoTo 620
a(62) = a1(j62)
Cells(3, 1).Value = 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(4) = s1 / 4 - a(61): If b(a(4)) = 0 Then b(a(4)) = a(4): c(4) = a(4) Else GoTo 40
a(3) = s1 / 4 - a(62): If b(a(3)) = 0 Then b(a(3)) = a(3): c(3) = a(3) Else GoTo 30
For j60 = m60 To m2 'a(60)
If b(a1(j60)) = 0 Then b(a1(j60)) = a1(j60): c(60) = a1(j60) Else GoTo 600
a(60) = a1(j60)
a(5) = s1 / 4 - a(60): If b(a(5)) = 0 Then b(a(5)) = a(5): c(5) = a(5) Else GoTo 50
For j59 = m59 To m2 'a(59)
If b(a1(j59)) = 0 Then b(a1(j59)) = a1(j59): c(59) = a1(j59) Else GoTo 590
a(59) = a1(j59)
a(6) = s1 / 4 - a(59)
If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 60
For j58 = m58 To m2 'a(58)
If b(a1(j58)) = 0 Then b(a1(j58)) = a1(j58): c(58) = a1(j58) Else GoTo 580
a(58) = a1(j58)
a(57) = 0.5 * s1 - a(58) - a(59) - a(60):
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(8) = s1 / 4 - a(57): If b(a(8)) = 0 Then b(a(8)) = a(8): c(8) = a(8) Else GoTo 80
a(7) = s1 / 4 - a(58): If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 70
i10 = 8: GoSub 1000: If Res8(i10) <> r8 Then GoTo 65
For j56 = m56 To m2 'a(56)
If b(a1(j56)) = 0 Then b(a1(j56)) = a1(j56): c(56) = a1(j56) Else GoTo 560
a(56) = a1(j56)
a(55) = 0.5 * s1 - a(56) - a(63) - 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
a(54) = a(56) - a(62) + a(64):
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) = -a(56) + a(62) + a(63):
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
a(12) = s1 / 4 - a(53): If b(a(12)) = 0 Then b(a(12)) = a(12): c(12) = a(12) Else GoTo 120
a(11) = s1 / 4 - a(54): If b(a(11)) = 0 Then b(a(11)) = a(11): c(11) = a(11) Else GoTo 110
a(10) = s1 / 4 - a(55): If b(a(10)) = 0 Then b(a(10)) = a(10): c(10) = a(10) Else GoTo 100
a(9) = s1 / 4 - a(56): If b(a(9)) = 0 Then b(a(9)) = a(9): c(9) = a(9) Else GoTo 90
For j52 = m52 To m2 'a(52)
If b(a1(j52)) = 0 Then b(a1(j52)) = a1(j52): c(52) = a1(j52) Else GoTo 520
a(52) = a1(j52)
a(51) = 0.5 * s1 - a(52) - a(59) - 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
a(50) = a(52) - a(58) + a(60):
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) = -a(52) + a(58) + a(59):
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
a(16) = s1 / 4 - a(49): If b(a(16)) = 0 Then b(a(16)) = a(16): c(16) = a(16) Else GoTo 160
a(15) = s1 / 4 - a(50): If b(a(15)) = 0 Then b(a(15)) = a(15): c(15) = a(15) Else GoTo 150
a(14) = s1 / 4 - a(51): If b(a(14)) = 0 Then b(a(14)) = a(14): c(14) = a(14) Else GoTo 140
a(13) = s1 / 4 - a(52): If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 130
i10 = 7: GoSub 1000: If Res8(i10) <> r8 Then GoTo 125
For j48 = m48 To m2 'a(48)
If b(a1(j48)) = 0 Then b(a1(j48)) = a1(j48): c(48) = a1(j48) Else GoTo 480
a(48) = a1(j48)
a(47) = -a(48) + a(63) + 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(44) = a(48) - a(52) + a(56) + a(58) + a(59) - a(62) - a(63):
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) = -a(48) + a(52) - a(56) - a(58) + a(60) + a(62) + a(63):
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(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) = a(48) + a(56) - a(63):
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(36) = 0.5 * s1 - a(48) - a(56) - a(58) - a(59) - a(60) + a(62) + a(63):
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) = a(48) + a(56) + a(58) - a(62) - a(63):
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(30) = s1 / 4 - a(35): If b(a(30)) = 0 Then b(a(30)) = a(30): c(30) = a(30) Else GoTo 300
a(29) = s1 / 4 - a(36): If b(a(29)) = 0 Then b(a(29)) = a(29): c(29) = a(29) Else GoTo 290
a(26) = s1 / 4 - a(39): If b(a(26)) = 0 Then b(a(26)) = a(26): c(26) = a(26) Else GoTo 260
a(25) = s1 / 4 - a(40): If b(a(25)) = 0 Then b(a(25)) = a(25): c(25) = a(25) Else GoTo 250
a(22) = s1 / 4 - a(43): If b(a(22)) = 0 Then b(a(22)) = a(22): c(22) = a(22) Else GoTo 220
a(21) = s1 / 4 - a(44): If b(a(21)) = 0 Then b(a(21)) = a(21): c(21) = a(21) Else GoTo 210
a(18) = s1 / 4 - a(47): If b(a(18)) = 0 Then b(a(18)) = a(18): c(18) = a(18) Else GoTo 180
a(17) = s1 / 4 - a(48): If b(a(17)) = 0 Then b(a(17)) = a(17): c(17) = a(17) Else GoTo 170
For j46 = m46 To m2 'a(46)
If b(a1(j46)) = 0 Then b(a1(j46)) = a1(j46): c(46) = a1(j46) Else GoTo 460
a(46) = a1(j46)
a(45) = 0.5 * s1 - a(46) - a(63) - 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(42) = a(46) - a(52) + a(56) - a(59) - a(60) + a(63) + a(64):
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) = 0.5 * s1 - a(46) + a(52) - a(56) - a(63) - a(64):
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(38) = 0.5 * s1 - a(46) - a(56) - 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(46) + a(56) + a(63) + 2 * a(64):
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(34) = 0.5 * s1 - a(46) - a(56) + a(59) - a(63) - a(64):
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(46) + a(56) + a(60) + a(63) + a(64):
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
a(32) = s1 / 4 - a(33): If b(a(32)) = 0 Then b(a(32)) = a(32): c(32) = a(32) Else GoTo 320
a(31) = s1 / 4 - a(34): If b(a(31)) = 0 Then b(a(31)) = a(31): c(31) = a(31) Else GoTo 310
a(28) = s1 / 4 - a(37): If b(a(28)) = 0 Then b(a(28)) = a(28): c(28) = a(28) Else GoTo 280
a(27) = s1 / 4 - a(38): If b(a(27)) = 0 Then b(a(27)) = a(27): c(27) = a(27) Else GoTo 270
a(24) = s1 / 4 - a(41): If b(a(24)) = 0 Then b(a(24)) = a(24): c(24) = a(24) Else GoTo 240
a(23) = s1 / 4 - a(42): If b(a(23)) = 0 Then b(a(23)) = a(23): c(23) = a(23) Else GoTo 230
a(20) = s1 / 4 - a(45): If b(a(20)) = 0 Then b(a(20)) = a(20): c(20) = a(20) Else GoTo 200
a(19) = s1 / 4 - a(46): If b(a(19)) = 0 Then b(a(19)) = a(19): c(19) = a(19) Else GoTo 190
i10 = 6: GoSub 1000: If Res8(i10) <> r8 Then GoTo 5
i10 = 5: GoSub 1000: If Res8(i10) <> r8 Then GoTo 5
For i10 = 9 To 12
GoSub 1000: If Res8(i10) <> r8 Then GoTo 5
Next i10
i10 = 18: GoSub 1000: If Res8(i10) <> r8 Then GoTo 5
i10 = 17: GoSub 1000: If Res8(i10) <> r8 Then GoTo 5
' n9 = n9 + 1: GoSub 645 'Print results (selected numbers)
n9 = n9 + 1: GoSub 650 'Print results (squares)
5
b(c(19)) = 0: c(19) = 0
190 b(c(20)) = 0: c(20) = 0
200 b(c(23)) = 0: c(23) = 0
230 b(c(24)) = 0: c(24) = 0
240 b(c(27)) = 0: c(27) = 0
270 b(c(28)) = 0: c(28) = 0
280 b(c(31)) = 0: c(31) = 0
310 b(c(32)) = 0: c(32) = 0
320 b(c(33)) = 0: c(33) = 0
330 b(c(34)) = 0: c(34) = 0
340 b(c(37)) = 0: c(37) = 0
370 b(c(38)) = 0: c(38) = 0
380 b(c(41)) = 0: c(41) = 0
410 b(c(42)) = 0: c(42) = 0
420 b(c(45)) = 0: c(45) = 0
450 b(c(46)) = 0: c(46) = 0
460 Next j46
m46 = 1
b(c(17)) = 0: c(17) = 0
170 b(c(18)) = 0: c(18) = 0
180 b(c(21)) = 0: c(21) = 0
210 b(c(22)) = 0: c(22) = 0
220 b(c(25)) = 0: c(25) = 0
250 b(c(26)) = 0: c(26) = 0
260 b(c(29)) = 0: c(29) = 0
290 b(c(30)) = 0: c(30) = 0
300 b(c(35)) = 0: c(35) = 0
350 b(c(36)) = 0: c(36) = 0
360 b(c(39)) = 0: c(39) = 0
390 b(c(40)) = 0: c(40) = 0
400 b(c(43)) = 0: c(43) = 0
430 b(c(44)) = 0: c(44) = 0
440 b(c(47)) = 0: c(47) = 0
470 b(c(48)) = 0: c(48) = 0
480 Next j48
m48 = 1
125 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 b(c(49)) = 0: c(49) = 0
490 b(c(50)) = 0: c(50) = 0
500 b(c(51)) = 0: c(51) = 0
510 b(c(52)) = 0: c(52) = 0
520 Next j52
m52 = 1
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(53)) = 0: c(53) = 0
530 b(c(54)) = 0: c(54) = 0
540 b(c(55)) = 0: c(55) = 0
550 b(c(56)) = 0: c(56) = 0
560 Next j56
m56 = 1
65 b(c(7)) = 0: c(7) = 0
70 b(c(8)) = 0: c(8) = 0
80 b(c(57)) = 0: c(57) = 0
570 b(c(58)) = 0: c(58) = 0
580 Next j58
m58 = 1
b(c(6)) = 0: c(6) = 0
60 b(c(59)) = 0: c(59) = 0
590 Next j59
m59 = 1
b(c(5)) = 0: c(5) = 0
50 b(c(60)) = 0: c(60) = 0
600 Next j60
m60 = 1
b(c(3)) = 0: c(3) = 0
30 b(c(4)) = 0: c(4) = 0
40 b(c(61)) = 0: c(61) = 0
610 b(c(62)) = 0: c(62) = 0
620 Next j62
m62 = 1
b(c(2)) = 0: c(2) = 0
20 b(c(63)) = 0: c(63) = 0
630 Next j63
m63 = 1
b(c(1)) = 0: c(1) = 0
10 b(c(64)) = 0: c(64) = 0
640 Next j64
m64 = 1
t2 = Timer
t10 = Str(t2 - t1) + " sec., " + Str(n9) + " Solutions for sum" + Str(s1)
y = MsgBox(t10, 0, "Routine MgcSqr8a")
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 = r8
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
' Read Natural Numbers
2000 m1 = 1: m2 = 64: s1 = 260: r8 = 16
For i1 = 1 To 64
a1(i1) = i1
Next i1
Erase b1
For i1 = m1 To m2
b1(a1(i1)) = a1(i1)
Next i1
Return
' Determine Residu line i10
1000
Select Case i10
' Rows
Case 1:
b8(1) = a(1): b8(2) = a(2): b8(3) = a(3): b8(4) = a(4): b8(5) = a(5): b8(6) = a(6): b8(7) = a(7): b8(8) = a(8):
GoSub 1200
Case 2:
b8(1) = a(9): b8(2) = a(10): b8(3) = a(11): b8(4) = a(12): b8(5) = a(13): b8(6) = a(14): b8(7) = a(15): b8(8) = a(16):
GoSub 1200
Case 3:
b8(1) = a(17): b8(2) = a(18): b8(3) = a(19): b8(4) = a(20): b8(5) = a(21): b8(6) = a(22): b8(7) = a(23): b8(8) = a(24):
GoSub 1200
Case 4:
b8(1) = a(25): b8(2) = a(26): b8(3) = a(27): b8(4) = a(28): b8(5) = a(29): b8(6) = a(30): b8(7) = a(31): b8(8) = a(32):
GoSub 1200
Case 5:
b8(1) = a(33): b8(2) = a(34): b8(3) = a(35): b8(4) = a(36): b8(5) = a(37): b8(6) = a(38): b8(7) = a(39): b8(8) = a(40):
GoSub 1200
Case 6:
b8(1) = a(41): b8(2) = a(42): b8(3) = a(43): b8(4) = a(44): b8(5) = a(45): b8(6) = a(46): b8(7) = a(47): b8(8) = a(48):
GoSub 1200
Case 7:
b8(1) = a(49): b8(2) = a(50): b8(3) = a(51): b8(4) = a(52): b8(5) = a(53): b8(6) = a(54): b8(7) = a(55): b8(8) = a(56):
GoSub 1200
Case 8:
b8(1) = a(57): b8(2) = a(58): b8(3) = a(59): b8(4) = a(60): b8(5) = a(61): b8(6) = a(62): b8(7) = a(63): b8(8) = a(64):
GoSub 1200
' Columns
Case 9:
b8(1) = a(1): b8(2) = a(9): b8(3) = a(17): b8(4) = a(25): b8(5) = a(33): b8(6) = a(41): b8(7) = a(49): b8(8) = a(57):
GoSub 1200
Case 10:
b8(1) = a(2): b8(2) = a(10): b8(3) = a(18): b8(4) = a(26): b8(5) = a(34): b8(6) = a(42): b8(7) = a(50): b8(8) = a(58):
GoSub 1200
Case 11:
b8(1) = a(3): b8(2) = a(11): b8(3) = a(19): b8(4) = a(27): b8(5) = a(35): b8(6) = a(43): b8(7) = a(51): b8(8) = a(59):
GoSub 1200
Case 12:
b8(1) = a(4): b8(2) = a(12): b8(3) = a(20): b8(4) = a(28): b8(5) = a(36): b8(6) = a(44): b8(7) = a(52): b8(8) = a(60):
GoSub 1200
Case 13:
b8(1) = a(5): b8(2) = a(13): b8(3) = a(21): b8(4) = a(29): b8(5) = a(37): b8(6) = a(45): b8(7) = a(53): b8(8) = a(61):
GoSub 1200
Case 14:
b8(1) = a(6): b8(2) = a(14): b8(3) = a(22): b8(4) = a(30): b8(5) = a(38): b8(6) = a(46): b8(7) = a(54): b8(8) = a(62):
GoSub 1200
Case 15:
b8(1) = a(7): b8(2) = a(15): b8(3) = a(23): b8(4) = a(31): b8(5) = a(39): b8(6) = a(47): b8(7) = a(55): b8(8) = a(63):
GoSub 1200
Case 16:
b8(1) = a(8): b8(2) = a(16): b8(3) = a(24): b8(4) = a(32): b8(5) = a(40): b8(6) = a(48): b8(7) = a(56): b8(8) = a(64):
GoSub 1200
' Diagonals
Case 17:
b8(1) = a(1): b8(2) = a(10): b8(3) = a(19): b8(4) = a(28): b8(5) = a(37): b8(6) = a(46): b8(7) = a(55): b8(8) = a(64):
GoSub 1200
Case 18:
b8(1) = a(8): b8(2) = a(15): b8(3) = a(22): b8(4) = a(29): b8(5) = a(36): b8(6) = a(43): b8(7) = a(50): b8(8) = a(57):
GoSub 1200
End Select
Return
1200
For i2 = 1 To 7
For i1 = i2 To 8
If b8(i2) < b8(i1) Then
x = b8(i1)
b8(i1) = b8(i2)
b8(i2) = x
End If
Next i1
Next i2
Res8(i10) = b8(1) - b8(2) + b8(3) - b8(4) + b8(5) - b8(6) + b8(7) - b8(8)
Return
End Sub
