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