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