Ketjupeli

12
1 -4 5 0
-4 -1 0 -1
2 -1 6 -1
2 -4 2 0
-4 2 0 2
-1 2 -1 6
2 2 6 2
5 -1 5 3
-1 -4 -1 0
-4 0 0 -4
-4 1 0 5
1 5 5 1

Test 1

Verdict: ACCEPTED