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