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