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