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

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

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

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

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