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