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

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

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

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

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