Program ignores this line. Second line: #rows, #columns, optional delay, optional map cell size. Other lines: C-road crossing, B-block of houses, R-road going right, L-road going left, U-road going up, D-road going down, S-starting location, E-destination 10 10 40 B B S B B B C C C B B C C C B C D L C B B D B C R B B C C B B C B D B B C C B B B D B C C C C B C B B D B D B B C B C B B D B D B B B C B B B C L C C B E C B B B C C B C C R B C B B C R D B C C C C B