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

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

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

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

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