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