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