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(3, 9, 1) Remaining distance distributions after General for EXTERNAL point
(1, 9, 1) has 0 possible DDs: {}
(2, 9, 1) has 1 possible DDs: {[0, 6, 3]}
(3, 9, 1) has 5 possible DDs: {[0, 0, 9, 0], [0, 1, 7, 1], [0, 2, 5, 2], [0, 3, 3, 3], [0, 4, 1, 4]}