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