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

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

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

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

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