#include < stdio.h >

//盤面の大きさ
#define BOARDSIZE 8

//状態を定義
#define NONE 0
#define BLACK 1
#define WHITE 2

//盤面
char board[BOARDSIZE][BOARDSIZE];

//初期化関数
void setBoard(void)
{
	int i;
	
	for(i = 0 ; i < BOARDSIZE*BOARDSIZE ; ++i){
		board[i/BOARDSIZE][i%BOARDSIZE] = NONE;
	}
	board[BOARDSIZE/2 - 1][BOARDSIZE/2] = BLACK;
	board[BOARDSIZE/2][BOARDSIZE/2 - 1] = BLACK;
	board[BOARDSIZE/2][BOARDSIZE/2] = WHITE;
	board[BOARDSIZE/2 - 1][BOARDSIZE/2 - 1] = WHITE;
	
}

//盤面表示関数
void disp(void){
	int i,j;
	
	for(i = 0 ; i < BOARDSIZE ; ++i){
		for(j=0 ; j < BOARDSIZE ; ++j){
			switch(board[i][j]){
			case NONE:
				printf("□");
				break;
			case BLACK:
				printf("○");
				break;
			case WHITE:
				printf("●");
				break;
			default:
				printf("er");
				break;
			}
		}
		printf("\n");
	}
	
}

int main(){
	
	setBoard();
	disp();
	return 0;
	
}