X = 8 and x = -8
X = 7 and x = -7
X = 6 and x = -6
X = 5 and x = -5
S = 1 and s = -1
S = 2 and s = -2
S = 3 and s = -3
No solution
D = 4 and d = -4
D = 8 and d = -8
D = 16 and d = -16
No solution
X = 8 and x = -8
X = 16 and x = -16
X = 16 and x = -8
X = -16 and x = 8
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