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