deleted:    2.4/checker/1.cpp
	deleted:    2.4/checker/checker.in
	2.4/checker copy 2/
	2.4/checker copy 3/
	2.4/checker copy/checker/
	2.4/maze1/
	2.4/ttwo/
	new file:   2.4/checker copy 2/1.cpp
	new file:   2.4/checker copy 2/checker.in
	new file:   2.4/checker copy 3/1.cpp
	new file:   2.4/checker copy 3/checker.in
	new file:   2.4/checker copy/checker/1.cpp
	new file:   2.4/checker copy/checker/checker.in
	new file:   2.4/maze1/1.cpp
	new file:   2.4/maze1/maze1.in
	new file:   2.4/ttwo/1.cpp
	new file:   2.4/ttwo/ttwo
	new file:   2.4/ttwo/ttwo.in
	new file:   2.4/ttwo/ttwo.out