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