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

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

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

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

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