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

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

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

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

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