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

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

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

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

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