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