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