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50183. Lights out, again
The problem with troubleshooting is that trouble shoots back.
Problem
Testdata
1_0.in
1_0.out
1_1.in
1_1.out
1_2.in
1_2.out
1_3.in
1_3.out
1_4.in
1_4.out
2_0.in
2_0.out
2_1.in
2_1.out
2_2.in
2_2.out
2_3.in
2_3.out
2_4.in
2_4.out
3_0.in
3_0.out
3_1.in
3_1.out
3_2.in
3_2.out