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(9, 256, 7) ALL distance distributions
(7, 256, 7) has 1 possible DDs: {[2, 14, 42, 70, 70, 42, 14, 2]}
(8, 256, 7) has 3 possible DDs: {[0, 16, 0, 112, 0, 112, 0, 16, 0], [1, 8, 28, 56, 70, 56, 28, 8, 1], [2, 0, 56, 0, 140, 0, 56, 0, 2]}
(9, 256, 7) has 4 possible DDs: {[0, 8, 8, 56, 56, 56, 56, 8, 8, 0], [0, 9, 0, 84, 0, 126, 0, 36, 0, 1], [1, 0, 36, 0, 126, 0, 84, 0, 9, 0], [1, 1, 28, 28, 70, 70, 28, 28, 1, 1]}