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

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

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

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

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