(0 20 4)(1 8 5 11 7)(2 10 3)(6 13 9)(12 21 19 17 14)(15 18 16)
ALLOWS (11/8)-SEQUENCE
1: (0 5 11)
(0 7 1 8 5 20 4)(2 10 3)(6 13 9)(11)(12 21 19 17 14)(15 18 16)
2: (1 20 7)
(0 7 4)(1)(2 10 3)(5 20 8)(6 13 9)(11)(12 21 19 17 14)(15 18 16)
3: (6 13 9)
(0 7 4)(1)(2 10 3)(5 20 8)(6)(9)(11)(12 21 19 17 14)(13)(15 18 16)
4: (12 21 19)
(0 7 4)(1)(2 10 3)(5 20 8)(6)(9)(11)(12 17 14)(13)(15 18 16)(19)(21)