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

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

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

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

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