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

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

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

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

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