diff --git a/io.c b/io.c
index 033d38ecc7b339503b4f6c7f8aa4ace631c9b230..96b54d49c1b6ca2f45313743de04716c88b21eb0 100644
--- a/io.c
+++ b/io.c
@@ -1,5 +1,5 @@
 /* io.c */
-/* Last Change: 2019/05/25 (Sat) 18:11:46. */
+/* Last Change: 2019/06/02 (Sun) 23:28:03. */
 
 #include<stdio.h>
 #include"io.h"
@@ -95,8 +95,8 @@ void print_answer(void){
 	printf("\n --ANSWER-- \n"); //comment out this row
 	int i,j;
 	printf("SIZE %dX%d\n",w,h);
-	for(i=0;i<w;i++){
-		for(j=0;j<h;j++){
+	for(i=0;i<h;i++){
+		for(j=0;j<w;j++){
 			printf("%d",board_data[i][j]);
 			if(j==h-1)
 				printf("\n");