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