def tran(a):
    b=[]
    for i in range(len(a)):
        b.append(a[i])
    return b
def span(n):
    a=str()
    for i in range(0,n):
        a+=input()
    b=tran(a)
    return b
def zhuan(a):
    n=int(len(a)**0.5)
    c=[0]*n*n
    for j in range(0,n):
        for i in range(j,n*n,n):
            c[i]=a[(n-j-1)*n+i//n]
    return c
def mirror(a):
    n=int(len(a)**0.5)
    c=[0]*n*n
    for j in range(0,n):
        for i in range(j,n*n,n):
            c[i]=a[(i//n+1)*n-1-i%n]
    return c
n=int(input())
a=1
IN=span(n)
OUT=span(n)
TRAN=zhuan(IN)
if OUT!=TRAN:
    TRAN=zhuan(TRAN)
    a+=1
    if OUT!=TRAN:
        TRAN=zhuan(TRAN)
        a+=1
        if OUT!=TRAN:
            TRAN=zhuan(TRAN)
            TRAN=mirror(TRAN)
            a+=1
            if OUT!=TRAN:
                a+=1
                for M in range(3):
                    TRAN=zhuan(TRAN)
                    if OUT==TRAN:
                        break
                if OUT!=TRAN:
                    a+=1
                    TRAN=zhuan(TRAN)
                    TRAN=mirror(TRAN)
                    if OUT!=TRAN:
                        a+=1
print(a)