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

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

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

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

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