-------
(4, 27, 2) ALL distance distributions for EXTERNAL point
(2, 27, 2) has 0 possible DDs: {}
(3, 27, 2) has 1 possible DDs: {[0, 9, 9, 9]}
(4, 27, 2) has 7 possible DDs: {[0, 0, 18, 0, 9], [0, 1, 15, 3, 8], [0, 2, 12, 6, 7], [0, 3, 9, 9, 6], [0, 4, 6, 12, 5], [0, 5, 3, 15, 4], [0, 6, 0, 18, 3]}