Three-Dimensional Noughts and Crosses: A Combinatorial Problem

Index Sets and Their Members

The following index sets and their members are used in this example:

  • $(i,j,k) \in \text {CELLS}$

  • $\text {color} \in \text {COLORS}$

  • $\text {line} \in \text {LINES}$

  • $(i,j,k) \in \mr{CELLS\_ line[line]}$