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History of NL6

Overview solutions

Date (d,m,y) Contributor Objective
1 - 5 - 1999 Trick (0, 23978)
7 - 5 - 1999 Easton, Trick (0, 23916)

Overview bounds

Date (d,m,y) Contributor Objective
1 - 5 - 1999 Trick (0, 22969)
27 - 9 - 1999 Easton, Nemhauser, Trick (0, 23916)