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