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