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