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