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