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