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

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

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

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

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