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