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