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