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

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

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

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

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