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