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

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

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

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

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