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

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

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

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

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