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

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

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

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

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