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