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

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

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

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

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