' Constructs Prime Number Magic Squares of order 7 (Big Primes)
' Tested with Office 365 under Windows 10
Sub Priem7b()
Dim a(49), b(49), c(49), b1(105930), a2(7), b2(7)
y = MsgBox("Locked", vbCritical, "Routine Priem7b")
End
n2 = 0: n9 = 0: k1 = 1: k2 = 1
Sheets("Klad1").Select
For j1 = 2 To 22
' Read Magic Lines
For j2 = 1 To 7: a2(j2) = Sheets("Att1761").Cells(j1, j2).Value: Next j2
For j2 = 1 To 7: b2(j2) = Sheets("Att1761").Cells(j1, j2 + 8).Value: Next j2
s1 = Sheets("Att1761").Cells(j1, 19).Value
' Construct squares a() and b()
a(1) = a2(1): a(2) = a2(7): a(3) = a2(2): a(4) = a2(3): a(5) = a2(4): a(6) = a2(5): a(7) = a2(6):
a(8) = a2(5): a(9) = a2(6): a(10) = a2(1): a(11) = a2(7): a(12) = a2(2): a(13) = a2(3): a(14) = a2(4):
a(15) = a2(3): a(16) = a2(4): a(17) = a2(5): a(18) = a2(6): a(19) = a2(1): a(20) = a2(7): a(21) = a2(2):
a(22) = a2(7): a(23) = a2(2): a(24) = a2(3): a(25) = a2(4): a(26) = a2(5): a(27) = a2(6): a(28) = a2(1):
a(29) = a2(6): a(30) = a2(1): a(31) = a2(7): a(32) = a2(2): a(33) = a2(3): a(34) = a2(4): a(35) = a2(5):
a(36) = a2(4): a(37) = a2(5): a(38) = a2(6): a(39) = a2(1): a(40) = a2(7): a(41) = a2(2): a(42) = a2(3):
a(43) = a2(2): a(44) = a2(3): a(45) = a2(4): a(46) = a2(5): a(47) = a2(6): a(48) = a2(1): a(49) = a2(7):
b(1) = b2(1): b(2) = b2(5): b(3) = b2(3): b(4) = b2(7): b(5) = b2(6): b(6) = b2(4): b(7) = b2(2):
b(8) = b2(7): b(9) = b2(6): b(10) = b2(4): b(11) = b2(2): b(12) = b2(1): b(13) = b2(5): b(14) = b2(3):
b(15) = b2(2): b(16) = b2(1): b(17) = b2(5): b(18) = b2(3): b(19) = b2(7): b(20) = b2(6): b(21) = b2(4):
b(22) = b2(3): b(23) = b2(7): b(24) = b2(6): b(25) = b2(4): b(26) = b2(2): b(27) = b2(1): b(28) = b2(5):
b(29) = b2(4): b(30) = b2(2): b(31) = b2(1): b(32) = b2(5): b(33) = b2(3): b(34) = b2(7): b(35) = b2(6):
b(36) = b2(5): b(37) = b2(3): b(38) = b2(7): b(39) = b2(6): b(40) = b2(4): b(41) = b2(2): b(42) = b2(1):
b(43) = b2(6): b(44) = b2(4): b(45) = b2(2): b(46) = b2(1): b(47) = b2(5): b(48) = b2(3): b(49) = b2(7):
' Calculate Square c()
For j2 = 1 To 49
c(j2) = 1000 * a(j2) + b(j2)
Next j2
' Print results
GoSub 800: If fl1 = 0 Then GoTo 70
'' n9 = n9 + 1: GoSub 640 'Lines
n9 = n9 + 1: GoSub 650 'Squares
70 Next j1
End
' Print results (selected numbers)
640 For i1 = 1 To 49
Cells(n9, i1).Value = c(i1)
Next i1
Cells(n9, 50).Select
Cells(n9, 50).Value = s1
' Check Identical Ranges c(1) ... c(49)
' Sort Numbers
Erase b1: c1 = 0
For i1 = 1 To 49
b1(c(i1)) = c(i1)
If c1 < c(i1) Then c1 = c(i1) ' Determine Max
Next i1
n10 = 0
For i1 = 1 To c1
If b1(i1) <> 0 Then
n10 = n10 + 1: Cells(n9, n10 + 51).Value = b1(i1)
End If
Next i1
Return
' Print results (squares)
650 n2 = n2 + 1
If n2 = 4 Then
n2 = 1: k1 = k1 + 8: k2 = 1
Else
If n9 > 1 Then k2 = k2 + 8
End If
Cells(k1, k2 + 1).Select
Cells(k1, k2 + 1).Font.Color = -4165632
Cells(k1, k2 + 1).Value = s1
i3 = 0
For i1 = 1 To 7
For i2 = 1 To 7
i3 = i3 + 1
Cells(k1 + i1, k2 + i2).Value = c(i3)
Next i2
Next i1
Return
' Exclude solutions with identical numbers
800 fl1 = 1
For j10 = 1 To 49
c2 = c(j10)
For j20 = (1 + j10) To 49
If c2 = c(j20) Then fl1 = 0: Return
Next j20
Next j10
Return
End Sub
