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