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