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