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

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

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

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

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