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

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

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

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

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