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