import java.util.*;

public class Main {
    private static char[][] g = new char[5][5]; 
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        for(int i = 0; i < 4; i ++) {
            String str = in.nextLine();
            for(int j = 0; j < 4; j ++) {
                g[i][j] = str.charAt(j);
            }
        }
        List<PII> res = new ArrayList<PII>();
        char[][] backup = new char[5][5];
        for(int i = 0; i < 4; i ++) {
            backup[i] = Arrays.copyOf(g[i], g[i].length);
        }

        for(int i = 0; i < Math.pow(2, 16); i ++) {
            List<PII> temp = new ArrayList<PII>();
            for(int j = 0; j <= 15; j ++) {
                if((i >> j & 1) == 1) {//按
                    //找到第j位对应的g数组位置在哪
                    int x = j / 4;
                    int y = j % 4;
                    turn(x, y);
                    temp.add(new PII(x, y));
                }
            }
            //看这种情况有没有全亮
            boolean flag = true;
            for(int x = 0; x < 4; x ++) {
                for(int y = 0; y < 4; y ++) {
                    if(g[x][y]=='+')flag = false;
                }
            }
            if(flag) {//是全亮的，再看步数和res
                if(res.isEmpty()||res.size()>temp.size()) {//res为空或者temp.size()更小的时候
                    res = new ArrayList<PII>(temp);
                }
            }
            //复原数组
            for(int l = 0; l < 4; l ++) {
                g[l] = Arrays.copyOf(backup[l], backup[l].length);
            }
        }
        System.out.println(res.size());
        for(PII r:res) {
            System.out.println((r.x + 1)+" "+(r.y + 1));
        }
    }
    public static void turn(int h, int l) {
        for(int i = 0; i < 4; i ++) {
            g[h][i] = ((g[h][i] == '-')?'+':'-');
            g[i][l] = ((g[i][l] == '-')?'+':'-');
        }
        //交点处turn了两遍，要返回去
        g[h][l] = ((g[h][l] == '-')?'+':'-');
    }
}
class PII{
    public int x;
    public int y;
    public PII(int x, int y){
        this.x = x;
        this.y = y;
    }
}