diff --git a/a.out b/a.out
new file mode 100755
index 0000000000000000000000000000000000000000..15c133907f25ae24d231d30504e72c5653c973ec
Binary files /dev/null and b/a.out differ
diff --git a/io.c b/io.c
index ac1b2d71f99e036ad4fded6f6af78c777e6a27e4..033d38ecc7b339503b4f6c7f8aa4ace631c9b230 100644
--- a/io.c
+++ b/io.c
@@ -1,8 +1,7 @@
 /* io.c */
-/* Last Change: 2019/05/21 (Tue) 13:57:18. */
+/* Last Change: 2019/05/25 (Sat) 18:11:46. */
 
 #include<stdio.h>
-#include<limits.h>
 #include"io.h"
 
 short int W=MAXW, H=MAXH; // (問題で設定された) 盤面サイズ上限
@@ -17,8 +16,8 @@ void reset_parameters(void){
 		for(j=0;j<5;j++)
 			for(k=0;k<3;k++)
 				block_data[i][j][k]=-1;
-	for(i=0;i<72;i++)
-		for(j=0;j<72;j++)
+	for(i=0;i<MAXW;i++)
+		for(j=0;j<MAXH;j++)
 			board_data[i][j]=0;
 	return;
 }
@@ -31,11 +30,11 @@ void read_problem(void){
 	char c,str[32]; // must be 20 or more
 	scanf(" %s",str); //SIZE
 	scanf(" %hd",&W);
-	if(W>72||W<=0)
+	if(W>MAXW||W<=0)
 		printf("Error: width\n");
 	scanf(" %c",&c); //X
 	scanf(" %hd",&H);
-	if(H>72||H<=0)
+	if(H>MAXH||H<=0)
 		printf("Error: height\n");
 	scanf(" %s",str); //BLOCK_NUM
 	scanf(" %hd",&blocks);
@@ -92,19 +91,6 @@ void read_problem(void){
 	return;
 }
 
-void convert_answer(void){
-	int i,j;
-	for(i=0;i<w;i++){
-		for(j=0;j<h;j++){
-			if(board_data[i][j]==SHRT_MIN)
-				board_data[i][j]=0;
-			else if(board_data[i][j]<0)
-				board_data[i][j]=-board_data[i][j];
-		}
-	}
-	return;
-}
-
 void print_answer(void){
 	printf("\n --ANSWER-- \n"); //comment out this row
 	int i,j;
diff --git a/io.h b/io.h
index 7d04e0b9b3a905067f8b97790d7079113e298eb3..b8e0f4f6f67716020bc1639f8c68e39597d48526 100644
--- a/io.h
+++ b/io.h
@@ -1,5 +1,5 @@
 /* io.h */
-/* Last Change: 2019/05/21 (Tue) 14:01:43. */
+/* Last Change: 2019/05/21 (Tue) 14:56:05. */
 #ifndef _IO_H_
 #define _IO_H_
 
@@ -24,19 +24,15 @@ short int block_data[MAXBLOCK+1][5][3]; // ブロックの情報
 //   block_data[block#][1~4][1] マスの，左上マスからの相対位置 y方向
 //   block_data[block#][1~4][2] マスの端点情報 (数字がなければ0，モノミノで存在しない場合は-1)
 
-short int board_data[72][72]; // 盤面情報
+short int board_data[MAXW][MAXH]; // 盤面情報
 // board_data[x][y] が (x,y) の盤面情報を表わす
 // (0,0),(1,0),(2,0), ... ,(71,0)
 //            ...
 // (0,71),(1,71), ... ,(71,71)
 // 基本的には回答フォーマットに沿う形
-// 負の数はconvert_answerでSHRT_MIN->0，その他は自然数に変換される
-// (アルゴリズム的に必要であれば使ってください)
-// (私は壁(端点ではないマス)をSHRT_MINで，配線を負の数で実装してます)
 
 void reset_parameters(void); // read_problem に内包
 void read_problem(void);
-void convert_answer(void);
 void print_answer(void);
 
 #endif // _IO_H_
diff --git a/main.c b/main.c
index 3952e52cbc65dc28d030e4b0a206301aee88da05..95d7aa9658a643ef5f65aa164d22edc478ac8ec0 100644
--- a/main.c
+++ b/main.c
@@ -1,12 +1,12 @@
 /* main.c */
-/* Last Change: 2019/05/21 (Tue) 14:03:16. */
+/* Last Change: 2019/05/21 (Tue) 14:44:03. */
 
 #include"io.h"
+#include"solver.h"
 
 int main(void){
 	read_problem();
-	// solver();
-	convert_answer();
+	solver();
 	print_answer();
 
 	return 0;
diff --git a/solver.c b/solver.c
index d7262da3c415a994328e7ffb4bf1add00dd008b8..a2a7aa20b18810e19265a0c419be32d3d28cbb33 100644
--- a/solver.c
+++ b/solver.c
@@ -1,14 +1,74 @@
 /* solver.c */
-/* Last Change: 2019/05/21 (Tue) 14:03:02. */
+/* Last Change: 2019/05/21 (Tue) 18:09:17. */
 
-#include<stdio.h>
+#include<limits.h>
+#include"solver.h"
+#include"io.h"
+/* #include<stdio.h> */
 /* #include<stdlib.h> */
 /* #include<string.h> */
-/* #include<limits.h> */
 /* #include<math.h> */
 /* #include<time.h> */
 
+short int connected[MAXLINE]={0}; //if line connected:2, if one end:1, otherwize:0
+short int board_beta[MAXSIZE][MAXSIZE]; //big board data
+//edge:1~MAXLINE, line:-1~-MAXLINE, none:0, wall:SHRT_MIN
+short int rank[MAXBLOCK+1];
+
+void reset_board(void){
+	int i,j;
+	for(i=0;i<MAXSIZE;i++)
+		for(j=0;j<MAXSIZE;j++)
+			board_beta[i][j]=0;
+	return;
+}
+
+void read_data(void){
+	return;
+}
+
+void translate(void){
+	int i,j;
+	int minw=MAXSIZE-1,maxw=0,minh=MAXSIZE-1,maxh=0;
+	for(i=0;i<MAXSIZE;i++){
+		for(j=0;j<MAXSIZE;j++){
+			if(board_beta[i][j]){
+				if(i>maxw)
+					maxw=i;
+				if(i<minw)
+					minw=i;
+				if(j>maxh)
+					maxh=j;
+				if(j<minh)
+					minh=j;
+				if(board_beta[i][j]==SHRT_MIN)
+					board_beta[i][j]=0;
+				else if(board_beta[i][j]<0)
+					board_beta[i][j]=-board_beta[i][j];
+			}
+		}
+	}
+	for(i=1;i<=blocks;i++){
+		/* block_data[i][0]-=minw; */
+		/* block_data[i][1]-=minh; */
+	}
+	for(i=0;i<maxw-minw;i++){
+		for(j=0;j<maxh-minh;j++){
+			board_data[i][j]=board_beta[i+minw][j+minh];
+		}
+	}
+	return;
+}
+
+void solve(void){
+	return;
+}
+
 void solver(void){
+	read_data();
+	solve();
+	/* shape(); */
+	translate();
 	return;
 }