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