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