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

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

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

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

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