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