diff -r d59bea55db9b -r c445c931472f examples/INDEX
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+assign.mod     Assignment problem
+bpp.mod        Bin packing problem
+cal.mod        Print an ASCII calendar of the given year
+cf12a.mod      Curve fitting problem
+cf12b.mod      Curve fitting problem
+cflsq.mod      Curve fitting problem by least squares
+color.mod      Graph coloring problem
+cpp.mod        Critical path problem
+crypto.mod     A crypto-arithmetic puzzle
+dea.mod        Data envelopment analysis (DEA)
+diet.mod       Stigler's nutrition model
+dist.mod       A product distribution model
+egypt.mod      A static model for fertilizer production
+fctp.mod       Fixed-charge transportation problem
+food.mod       Food manufacture model
+food2.mod      Food manufacture model
+gap.mod        Generalized assignment problem
+graph.mod      Graph visualization
+hashi.mod      A solver for the Japanese number-puzzle Hashiwokakero
+huge.mod       Arithmetic mean of a large number of integers
+jssp.mod       Job-shop scheduling problem
+magic.mod      Magic square
+maxcut.mod     Maximum cut problem
+maxflow.mod    Maximum flow problem
+mfasp.mod      Minimum feedback arc set problem
+mfvsp.mod      Minimum feedback vertex set problem
+min01ks.mod    Finding minimal equivalent 0-1 knapsack inequality
+misp.mod       Maximum independent set problem
+money.mod      A crypto-arithmetic puzzle
+mvcp.mod       Minimum vertex cover problem
+numbrix.mod    Number placement puzzle
+pbn.mod        Paint-by-numbers puzzle
+plan.mod       A simple LP problem
+prod.mod       A multiperiod production model
+qfit.mod       Quadratic curve fitting solution
+queens.mod     A classic combinatorial optimization problem
+sat.mod        Satisfiability problem
+shiftcover.mod Workforce shift coverage assignment problem
+shikaku.mod    A solver for the logic puzzle Shikaku
+sorting.mod    How to sort arrays in MathProg
+spp.mod        Shortest path problem
+stigler.mod    Original Stigler's 1939 diet problem
+sudoku.mod     Number placement puzzle
+tas.mod        Tail assignment problem
+todd.mod       A class of hard instances of 0-1 knapsack problems
+train.mod      A model of railroad passenger car allocation
+transp.mod     A transportation problem
+trick.mod      A transportation design problem
+tsp.mod        Traveling salesman problem
+xyacfs.mod     Extended yet another curve fitting solution
+yacfs.mod      Yet another curve fitting solution
+zebra.mod      Who owns the zebra?