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