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

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

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

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

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