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