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

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

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

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

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