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

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

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

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

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