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

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

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

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

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