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