Matrix Set README.md

MatrixSet/README.md

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+# Matrix Set
+
+Solution to first step of problem:
+
+https://groups.google.com/forum/#!topic/google-code/1XYYAvvMgC8
+
+Given a boolean matrix, it returns a list of the greatest sets of cells having true value, that comply with the problem criteria.
+If a cell X, Y is in the set, for all the other cells X2, Y2, the cells X, Y2 and X2, Y are in the set, too.
+
+I don't understand why round-trip recommendations, inbound and outbound flights are involved in this problem ;-)
+The interpretation of the problem is beyond my neuron power.
+