The supervisor of a commuter airline is scheduling pilots to fly the round-trip from City X to City Y. The trip takes only two hours, and the airline has one round-trip flight in the morning and one round-trip flight in the afternoon, each day, Monday through Friday. Pilots must be scheduled in accordance with the following rules:

Only W, X, and Y can fly the morning flight.
Only V, X, and Z can fly the afternoon flight.
No pilot may fly twice on the same day.
No pilot may fly on two consecutive days.
X must fly the Wednesday morning flight.
Z must fly the Tuesday afternoon flight.