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