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

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

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

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

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