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

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

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

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

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