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