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