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