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

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

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

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

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