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