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

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

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

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

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