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

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

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

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

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