seen=[[]]
a=[[]]

class DTO(object):
    def __init__(self,x,y,max):
        self.x=x;
        self.y=y;
        self.max=max

def typ_1(x,y):
    nr=1
    seen[x][y]=1
    if x>1:
        if (seen[x-1][y]==0) and (a[x-1][y]==a[x][y]):
            nr=nr+typ_1(x-1,y)
    if y>1:
        if (seen[x][y-1]==0) and (a[x][y-1]==a[x][y]):
            nr=nr+typ_1(x,y-1)
    if x<m:
        if (seen[x+1][y]==0) and (a[x+1][y]==a[x][y]):
            nr=nr+typ_1(x+1,y)
    if y<n:
        if (seen[x][y+1]==0) and (a[x][y+1]==a[x][y]):
            nr=nr+typ_1(x,y+1)
    return nr

def clear_2():
    for i in range(1,m+1):
        for j in range(1,n+1):
            if seen[i][j]==2:
                seen[i][j]=1

def typ_2(x,y,col,mod):
    nr=1
    dto=DTO(-1,-1,0)
    if mod==0:
        seen[x][y]=1
    else:
        seen[x][y]=2
    if x>1:
        if (seen[x-1][y]==0):
            if (a[x-1][y]==col):
                nr=nr+typ_2(x-1,y,col,0).max
            elif mod==0:
                cur=typ_2(x-1,y,col,1).max
                if cur>dto.max:
                    dto.x=x
                    dto.y=y
                    dto.max=max
                clear_2()
    if y>1:
        if (seen[x][y-1]==0):
            if (a[x][y-1]==col):
                nr=nr+typ_2(x,y-1,col,0).max
            elif mod==0:
                cur=typ_2(x,y-1,col,1).max
                if cur>dto.max:
                    dto.x=x
                    dto.y=y
                    dto.max=max
                clear_2()
    if x<m:
        if (seen[x+1][y]==0):
            if (a[x+1][y]==col):
                nr=nr+typ_2(x+1,y,col,0).max
            elif mod==0:
                cur=typ_2(x+1,y,col,1).max
                if cur>dto.max:
                    dto.x=x
                    dto.y=y
                    dto.max=max
                clear_2()
    if y<n:
        if (seen[x][y+1]==0):
            if (a[x][y+1]==col):
                nr=nr+typ_2(x,y+1,col,0).max
            elif mod==0:
                cur=typ_2(x,y+1,col,1).max
                if cur>dto.max:
                    dto.x=x
                    dto.y=y
                    dto.max=max
                clear_2()
    dto.max=dto.max+nr
    return dto

typ=int(raw_input(""))
s=raw_input("")
prop=s.split(" ")
m=int(prop[0])
n=int(prop[1])
for i in range(1,m+1):
    s=raw_input("")
    a.append([])
    a[i].append('#')
    for j in s:
        a[i].append(j)
    a[i].append('#')
seen=[[]]
for i in range(1,m+1):
    seen.append([])
    for j in range(0,n+1):
        seen[i].append(0)
if typ==1:
    max=0
    for i in range(1,m+1):
        for j in range(1,n+1):
            if seen[i][j]==0:
                cur=typ_1(i,j)
                if cur>max:
                    max=cur
    print str(max)
elif typ==2:
    max=0
    x=-1
    y=-1
    col='#'
    for i in range(1,m+1):
        for j in range(1,n+1):
            if seen[i][j]==0:
                cur=typ_2(i,j,a[i][j],0)
                if cur.max>max:
                    max=cur.max
                    x=cur.x
                    y=cur.y
                    col=a[i][j]
    print str(x) + " " + str(y)
    print col