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