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