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