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

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

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

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

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