(0 19 4)(1 9 6)(2 16 3)(5 12 10)(7 13 8)(11 17 14)(15 20 18)
ALLOWS (11/8)-SEQUENCE
1: (8 11 13)

(0 19 4)(1 9 6)(2 16 3)(5 12 10)(7 13 17 14 11)(8)(15 20 18)
2: (5 12 10)

(0 19 4)(1 9 6)(2 16 3)(5)(7 13 17 14 11)(8)(10)(12)(15 20 18)
3: (1 9 6)

(0 19 4)(1)(2 16 3)(5)(6)(7 13 17 14 11)(8)(9)(10)(12)(15 20 18)
4: (7 13 17)

(0 19 4)(1)(2 16 3)(5)(6)(7 14 11)(8)(9)(10)(12)(13)(15 20 18)(17)