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

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

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

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

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