3
3 +5.000000
+6.000000 +5.300000 +5.100000
+5.200000 +6.000000 +5.300000
+5.200000 +5.100000 +6.000000
2 +5.000000
+6.000000 -1.000000
-1.000000 +6.000000
1 +5.000000
+6.000000