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