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

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

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

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

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