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