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

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

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

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

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