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