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