diff --git a/source/myans/A01.txt b/source/myans/A01.txt
index df7c02caf9a21fbc3a5bffc2b9123e1a5b89ff3a..1e18e92239d4c43c9b77c522e58976fff14dc0c3 100644
--- a/source/myans/A01.txt
+++ b/source/myans/A01.txt
@@ -3,3 +3,5 @@ Cannot solve!
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A02.txt b/source/myans/A02.txt
index a3eb95e309c5871bd941d3beee9d4e736a89b940..33ebcb9b13e01665ddb669324a5142ffe3351de4 100644
--- a/source/myans/A02.txt
+++ b/source/myans/A02.txt
@@ -2,3 +2,5 @@ Cannot solve!
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A03.txt b/source/myans/A03.txt
index a3eb95e309c5871bd941d3beee9d4e736a89b940..33ebcb9b13e01665ddb669324a5142ffe3351de4 100644
--- a/source/myans/A03.txt
+++ b/source/myans/A03.txt
@@ -2,3 +2,5 @@ Cannot solve!
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A04.txt b/source/myans/A04.txt
index b84049662212fe84cff3a487d44a4f584abd572d..df7c02caf9a21fbc3a5bffc2b9123e1a5b89ff3a 100644
--- a/source/myans/A04.txt
+++ b/source/myans/A04.txt
@@ -1,3 +1,5 @@
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A05.txt b/source/myans/A05.txt
index b84049662212fe84cff3a487d44a4f584abd572d..df7c02caf9a21fbc3a5bffc2b9123e1a5b89ff3a 100644
--- a/source/myans/A05.txt
+++ b/source/myans/A05.txt
@@ -1,3 +1,5 @@
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A06.txt b/source/myans/A06.txt
index b84049662212fe84cff3a487d44a4f584abd572d..df7c02caf9a21fbc3a5bffc2b9123e1a5b89ff3a 100644
--- a/source/myans/A06.txt
+++ b/source/myans/A06.txt
@@ -1,3 +1,5 @@
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A07.txt b/source/myans/A07.txt
index b84049662212fe84cff3a487d44a4f584abd572d..df7c02caf9a21fbc3a5bffc2b9123e1a5b89ff3a 100644
--- a/source/myans/A07.txt
+++ b/source/myans/A07.txt
@@ -1,3 +1,5 @@
 Cannot solve!
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A08.txt b/source/myans/A08.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A08.txt
+++ b/source/myans/A08.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A09.txt b/source/myans/A09.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A09.txt
+++ b/source/myans/A09.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A10.txt b/source/myans/A10.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A10.txt
+++ b/source/myans/A10.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A11.txt b/source/myans/A11.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A11.txt
+++ b/source/myans/A11.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A12.txt b/source/myans/A12.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A12.txt
+++ b/source/myans/A12.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A13.txt b/source/myans/A13.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A13.txt
+++ b/source/myans/A13.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A14.txt b/source/myans/A14.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A14.txt
+++ b/source/myans/A14.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A15.txt b/source/myans/A15.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A15.txt
+++ b/source/myans/A15.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A16.txt b/source/myans/A16.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A16.txt
+++ b/source/myans/A16.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A17.txt b/source/myans/A17.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A17.txt
+++ b/source/myans/A17.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A18.txt b/source/myans/A18.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A18.txt
+++ b/source/myans/A18.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A19.txt b/source/myans/A19.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A19.txt
+++ b/source/myans/A19.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A20.txt b/source/myans/A20.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A20.txt
+++ b/source/myans/A20.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A21.txt b/source/myans/A21.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A21.txt
+++ b/source/myans/A21.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A22.txt b/source/myans/A22.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A22.txt
+++ b/source/myans/A22.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A23.txt b/source/myans/A23.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A23.txt
+++ b/source/myans/A23.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A24.txt b/source/myans/A24.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A24.txt
+++ b/source/myans/A24.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A25.txt b/source/myans/A25.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A25.txt
+++ b/source/myans/A25.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A26.txt b/source/myans/A26.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A26.txt
+++ b/source/myans/A26.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A27.txt b/source/myans/A27.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A27.txt
+++ b/source/myans/A27.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A28.txt b/source/myans/A28.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A28.txt
+++ b/source/myans/A28.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A29.txt b/source/myans/A29.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A29.txt
+++ b/source/myans/A29.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A30.txt b/source/myans/A30.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A30.txt
+++ b/source/myans/A30.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A31.txt b/source/myans/A31.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A31.txt
+++ b/source/myans/A31.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A32.txt b/source/myans/A32.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A32.txt
+++ b/source/myans/A32.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A33.txt b/source/myans/A33.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A33.txt
+++ b/source/myans/A33.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/myans/A34.txt b/source/myans/A34.txt
index 7b82ace04a5d73dfd49c81520d10ae0ed5a570a5..a3eb95e309c5871bd941d3beee9d4e736a89b940 100644
--- a/source/myans/A34.txt
+++ b/source/myans/A34.txt
@@ -1,2 +1,4 @@
 Cannot solve!
 Cannot solve!
+Cannot solve!
+Cannot solve!
diff --git a/source/solver.c b/source/solver.c
index 75a8a443dc4b323fee3487f2fe3ce18a903227d5..66f7b204611de875d1b752e17959733419c59072 100644
--- a/source/solver.c
+++ b/source/solver.c
@@ -1,7 +1,7 @@
 /* solver.c */
-/* Last Change: 2018/08/26 (Sun) 14:46:21. */
+/* Last Change: 2018/08/26 (Sun) 15:19:07. */
 
-#define MAX_ATTEMPS 1000000
+#define MAX_ATTEMPS 100000
 
 #include<stdio.h>
 #include<stdlib.h>
@@ -111,10 +111,11 @@ int available(int startx,int starty, int startz){ //return 1 when (startx,starty
 				if(startz<width&&available(startx,starty,startz+1))
 					return 1;
 		}
+	avail[startz][starty][startx]=0;
 	return 0;
 }
 
-int connectable(int linea,int lineb){ //return 1 if linea canbe connected when lineb is deleted
+int connectable(int linea,int lineb){ //return 1 if linea can be connected when lineb is deleted
 	int startx=-1,starty=-1,startz=-1,notfound=1;
 	int i,j,k;
 	for(i=0;i<depth;i++)
@@ -226,4 +227,3 @@ int main(void){
 		printf("Cannot solve!\n");
 	return 0;
 }
-