' Generates Magic Squares with Overlapping Sub Squares, Order 7 (Integers 1 thru 49 )

' Tested with Office 2007 under Windows 7

```Sub MgcSqr7g()

Dim a(49), b(49), c(49)

y = MsgBox("Locked", vbCritical, "Routine MgcSqr7g")
End

n2 = 0: n9 = 0: k1 = 1: k2 = 1
m1 = 1: m2 = 49: s1 = 175

'   Generate data

t1 = Timer

a(17) = 25: b(25) = 25                                        'Tested with

For j49 = m1 To m2                                            'a(49) = 34  PM5
If b(j49) = 0 Then b(j49) = j49: c(49) = j49 Else GoTo 490
a(49) = j49

Cells(1, 1).Select: Cells(1, 1).Value = j49

For j48 = m1 To m2                                            'a(48) = 23  PM5
If b(j48) = 0 Then b(j48) = j48: c(48) = j48 Else GoTo 480
a(48) = j48

Cells(1, 2).Select: Cells(1, 2).Value = j48

For j47 = m1 To m2                                            'a(47) = 18  PM5
If b(j47) = 0 Then b(j47) = j47: c(47) = j47 Else GoTo 470
a(47) = j47

a(38) = -25 + a(47) + a(48): If a(38) <= 0 Or a(38) > 49 Then GoTo 380
If b(a(38)) = 0 Then b(a(38)) = a(38): c(38) = a(38) Else GoTo 380

For j46 = m1 To m2                                            'a(46) = 10  PM5
If b(j46) = 0 Then b(j46) = j46: c(46) = j46 Else GoTo 460
a(46) = j46

a(45) = 125 - a(46) - a(47) - a(48) - a(49): If a(45) <= 0 Or a(45) > 49 Then GoTo 450
If b(a(45)) = 0 Then b(a(45)) = a(45): c(45) = a(45) Else GoTo 450

For j44 = m1 To m2                                            'a(44) = 29
If b(j44) = 0 Then b(j44) = j44: c(44) = j44 Else GoTo 440
a(44) = j44

a(43) = 50 - a(44): If a(43) <= 0 Or a(43) > 49 Then GoTo 430
If b(a(43)) = 0 Then b(a(43)) = a(43): c(43) = a(43) Else GoTo 430

For j42 = m1 To m2                                            'a(42) = 11  PM5
If b(j42) = 0 Then b(j42) = j42: c(42) = j42 Else GoTo 420
a(42) = j42

a(33) = -25 + a(42) + a(48): If a(33) <= 0 Or a(33) > 49 Then GoTo 330
If b(a(33)) = 0 Then b(a(33)) = a(33): c(33) = a(33) Else GoTo 330

For j41 = m1 To m2                                            'a(41) = 38  PM5
If b(j41) = 0 Then b(j41) = j41: c(41) = j41 Else GoTo 410
a(41) = j41

a(35) = 25 - a(41) - a(42) + a(45) + a(46): If a(35) <= 0 Or a(35) > 49 Then GoTo 350
If b(a(35)) = 0 Then b(a(35)) = a(35): c(35) = a(35) Else GoTo 350
a(32) = a(41) + a(42) - a(46): If a(32) <= 0 Or a(32) > 49 Then GoTo 320
If b(a(32)) = 0 Then b(a(32)) = a(32): c(32) = a(32) Else GoTo 320
a(25) = 125 - a(41) - a(42) - a(48) - a(49): If a(25) <= 0 Or a(25) > 49 Then GoTo 250
If b(a(25)) = 0 Then b(a(25)) = a(25): c(25) = a(25) Else GoTo 250
a(21) = -a(32) + a(41) + a(47): If a(21) <= 0 Or a(21) > 49 Then GoTo 210
If b(a(21)) = 0 Then b(a(21)) = a(21): c(21) = a(21) Else GoTo 210

For j40 = m1 To m2                                            'a(40) = 33  PM5
If b(j40) = 0 Then b(j40) = j40: c(40) = j40 Else GoTo 400
a(40) = j40

a(39) = 150 - a(40) - a(41) - a(42) - a(47) - a(48): If a(39) <= 0 Or a(39) > 49 Then GoTo 390
If b(a(39)) = 0 Then b(a(39)) = a(39): c(39) = a(39) Else GoTo 390
a(34) = 125 - a(40) - a(41) - a(42) - a(48): If a(34) <= 0 Or a(34) > 49 Then GoTo 340
If b(a(34)) = 0 Then b(a(34)) = a(34): c(34) = a(34) Else GoTo 340
a(31) = a(32) + a(40) - a(42) - a(45) + a(46): If a(31) <= 0 Or a(31) > 49 Then GoTo 310
If b(a(31)) = 0 Then b(a(31)) = a(31): c(31) = a(31) Else GoTo 310
a(28) = 100 - a(31) - a(34) + a(41) - a(45) - a(46): If a(28) <= 0 Or a(28) > 49 Then GoTo 280
If b(a(28)) = 0 Then b(a(28)) = a(28): c(28) = a(28) Else GoTo 280
a(27) = -a(34) + a(47) + a(49): If a(27) <= 0 Or a(27) > 49 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(41) + a(48): If a(26) <= 0 Or a(26) > 49 Then GoTo 260
If b(a(26)) = 0 Then b(a(26)) = a(26): c(26) = a(26) Else GoTo 260
a(24) = 125 - a(40) - a(41) - a(47) - a(48): If a(24) <= 0 Or a(24) > 49 Then GoTo 240
If b(a(24)) = 0 Then b(a(24)) = a(24): c(24) = a(24) Else GoTo 240
a(20) = -a(31) + a(40) + a(46): If a(20) <= 0 Or a(20) > 49 Then GoTo 200
If b(a(20)) = 0 Then b(a(20)) = a(20): c(20) = a(20) Else GoTo 200
a(19) = a(20) - a(40) + a(41) - a(46) + a(49): If a(19) <= 0 Or a(19) > 49 Then GoTo 190
If b(a(19)) = 0 Then b(a(19)) = a(19): c(19) = a(19) Else GoTo 190
a(18) = -a(35) + a(40) + a(48): If a(18) <= 0 Or a(18) > 49 Then GoTo 180
If b(a(18)) = 0 Then b(a(18)) = a(18): c(18) = a(18) Else GoTo 180

For j37 = m1 To m2                                            'a(37) = 15
If b(j37) = 0 Then b(j37) = j37: c(37) = j37 Else GoTo 370
a(37) = j37

a(36) = 50 - a(37): If a(36) <= 0 Or a(36) > 49 Then GoTo 360
If b(a(36)) = 0 Then b(a(36)) = a(36): c(36) = a(36) Else GoTo 360

For j30 = m1 To m2                                            'a(30) = 42
If b(j30) = 0 Then b(j30) = j30: c(30) = j30 Else GoTo 300
a(30) = j30

a(29) = 50 - a(30): If a(29) <= 0 Or a(29) > 49 Then GoTo 290
If b(a(29)) = 0 Then b(a(29)) = a(29): c(29) = a(29) Else GoTo 290

a(23) = 100 - a(30) - a(37) - a(44): If a(23) <= 0 Or a(23) > 49 Then GoTo 230
If b(a(23)) = 0 Then b(a(23)) = a(23): c(23) = a(23) Else GoTo 230

a(22) = 50 - a(23): If a(22) <= 0 Or a(22) > 49 Then GoTo 220
If b(a(22)) = 0 Then b(a(22)) = a(22): c(22) = a(22) Else GoTo 220

For j16 = m1 To m2                                            'a(16) = 43  SM3
If b(j16) = 0 Then b(j16) = j16: c(16) = j16 Else GoTo 160
a(16) = j16

a(15) = 50 - a(16): If a(15) <= 0 Or a(15) > 49 Then GoTo 150
If b(a(15)) = 0 Then b(a(15)) = a(15): c(15) = a(15) Else GoTo 150

For j14 = m1 To m2                                            'a(14) = 47
If b(j14) = 0 Then b(j14) = j14: c(14) = j14 Else GoTo 140
a(14) = j14

a(13) = a(14) - a(37) + a(42) - a(43) + a(48): If a(13) <= 0 Or a(13) > 49 Then GoTo 130
If b(a(13)) = 0 Then b(a(13)) = a(13): c(13) = a(13) Else GoTo 130
a(7) = 50 - a(14): If a(7) <= 0 Or a(7) > 49 Then GoTo 70
If b(a(7)) = 0 Then b(a(7)) = a(7): c(7) = a(7) Else GoTo 70
a(6) = 50 - a(13): If a(6) <= 0 Or a(6) > 49 Then GoTo 60
If b(a(6)) = 0 Then b(a(6)) = a(6): c(6) = a(6) Else GoTo 60

For j12 = m1 To m2                                             'a(12) = 6
If b(j12) = 0 Then b(j12) = j12: c(12) = j12 Else GoTo 120
a(12) = j12

a(11) = 100 - a(12) - a(13) - a(14): If a(11) <= 0 Or a(11) > 49 Then GoTo 110
If b(a(11)) = 0 Then b(a(11)) = a(11): c(11) = a(11) Else GoTo 110
a(5) = 50 - a(12): If a(5) <= 0 Or a(5) > 49 Then GoTo 50
If b(a(5)) = 0 Then b(a(5)) = a(5): c(5) = a(5) Else GoTo 50
a(4) = 100 - a(5) - a(6) - a(7): If a(4) <= 0 Or a(4) > 49 Then GoTo 40
If b(a(4)) = 0 Then b(a(4)) = a(4): c(4) = a(4) Else GoTo 40

For j10 = m1 To m2                                                'a(10) = 1  SM3
If b(j10) = 0 Then b(j10) = j10: c(10) = j10 Else GoTo 100
a(10) = j10

a(9) = 50 - 0.5 * a(10) - 0.5 * a(16): If a(9) <= 0 Or a(9) > 49 Or CInt(a(9)) <> a(9) Then GoTo 90
If b(a(9)) = 0 Then b(a(9)) = a(9): c(9) = a(9) Else GoTo 90
a(8) = 75 - a(9) - a(10): If a(8) <= 0 Or a(8) > 49 Then GoTo 80
If b(a(8)) = 0 Then b(a(8)) = a(8): c(8) = a(8) Else GoTo 80
a(3) = 50 - a(10): If a(3) <= 0 Or a(3) > 49 Then GoTo 30
If b(a(3)) = 0 Then b(a(3)) = a(3): c(3) = a(3) Else GoTo 30
a(2) = 50 - a(8): If a(2) <= 0 Or a(2) > 49 Then GoTo 20
If b(a(2)) = 0 Then b(a(2)) = a(2): c(2) = a(2) Else GoTo 20
a(1) = 50 - a(9): If a(1) <= 0 Or a(1) > 49 Then GoTo 10
If b(a(1)) = 0 Then b(a(1)) = a(1): c(1) = a(1) Else GoTo 10

n9 = n9 + 1
GoSub 2650 'Print results (squares)
'                                   GoSub 2645 'Print results (selected numbers

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(8)) = 0: c(8) = 0
80  b(c(9)) = 0: c(9) = 0
90  b(c(10)) = 0: c(10) = 0
100 Next j10

b(c(4)) = 0: c(4) = 0
40  b(c(5)) = 0: c(5) = 0
50  b(c(11)) = 0: c(11) = 0
110 b(c(12)) = 0: c(12) = 0
120 Next j12

b(c(6)) = 0: c(6) = 0
60  b(c(7)) = 0: c(7) = 0
70  b(c(13)) = 0: c(13) = 0
130 b(c(14)) = 0: c(14) = 0
140 Next j14

b(c(15)) = 0: c(15) = 0
150 b(c(16)) = 0: c(16) = 0
160 Next j16

b(c(22)) = 0: c(22) = 0
220 b(c(23)) = 0: c(23) = 0
230 b(c(29)) = 0: c(29) = 0
290 b(c(30)) = 0: c(30) = 0
300 Next j30

b(c(36)) = 0: c(36) = 0
360 b(c(37)) = 0: c(37) = 0
370 Next j37

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(24)) = 0: c(24) = 0
240 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(31)) = 0: c(31) = 0
310 b(c(34)) = 0: c(34) = 0
340 b(c(39)) = 0: c(39) = 0
390 b(c(40)) = 0: c(40) = 0
400 Next j40

b(c(21)) = 0: c(21) = 0
210 b(c(25)) = 0: c(25) = 0
250 b(c(32)) = 0: c(32) = 0
320 b(c(35)) = 0: c(35) = 0
350 b(c(41)) = 0: c(41) = 0
410 Next j41

b(c(33)) = 0: c(33) = 0
330 b(c(42)) = 0: c(42) = 0
420 Next j42

b(c(43)) = 0: c(43) = 0
430 b(c(44)) = 0: c(44) = 0
440 Next j44

b(c(45)) = 0: c(45) = 0
450 b(c(46)) = 0: c(46) = 0
460 Next j46

b(c(38)) = 0: c(38) = 0
380 b(c(47)) = 0: c(47) = 0
470 Next j47

b(c(48)) = 0: c(48) = 0
480 Next j48

b(c(49)) = 0: c(49) = 0
490 Next j49

t2 = Timer

t10 = Str(t2 - t1) + " sec., " + Str(n9) + " Solutions for sum" + Str(s1)
y = MsgBox(t10, 0, "Routine MgcSqr7g")

End

'   Print results (selected numbers)

2645 For i1 = 1 To 49
Cells(n9, i1).Value = a(i1)
Next i1

Return

'   Print results (squares)

2650 n2 = n2 + 1
If n2 = 5 Then
n2 = 1: k1 = k1 + 8: k2 = 1
Else
If n9 > 1 Then k2 = k2 + 8
End If
Cells(k1 + 1, k2 + 1).Select

i3 = 0
For i1 = 1 To 7
For i2 = 1 To 7
i3 = i3 + 1
Cells(k1 + i1, k2 + i2).Value = a(i3)
Next i2
Next i1

Return

End Sub
```