(0 21 2)(1 5 3)(4 18 6)(7 16 14 12 8)(9 13 11)(10 19 17)(15 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 5 11)
(0 21 2)(1 9 13 11 3)(4 18 6)(5)(7 16 14 12 8)(10 19 17)(15 22 20)
2: (4 18 6)
(0 21 2)(1 9 13 11 3)(4)(5)(6)(7 16 14 12 8)(10 19 17)(15 22 20)(18)
3: (10 19 17)
(0 21 2)(1 9 13 11 3)(4)(5)(6)(7 16 14 12 8)(10)(15 22 20)(17)(18)(19)
4: (1 9 13)
(0 21 2)(1 11 3)(4)(5)(6)(7 16 14 12 8)(9)(10)(13)(15 22 20)(17)(18)(19)