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