(0 20 6)(1 18 16 15 4)(2 11 3)(5 9 7)(8 13 10)(12 21 19 17 14)
ALLOWS (11/8)-SEQUENCE
1: (0 1 6)
(0)(1 20 6 18 16 15 4)(2 11 3)(5 9 7)(8 13 10)(12 21 19 17 14)
2: (6 18 20)
(0)(1 20 16 15 4)(2 11 3)(5 9 7)(6)(8 13 10)(12 21 19 17 14)(18)
3: (17 21 19)
(0)(1 20 16 15 4)(2 11 3)(5 9 7)(6)(8 13 10)(12 21 14)(17)(18)(19)
4: (1 20 16)
(0)(1 15 4)(2 11 3)(5 9 7)(6)(8 13 10)(12 21 14)(16)(17)(18)(19)(20)