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