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

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

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

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

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