def dfs(x,y,cnt):
global result
if cnt > result:
return
if x >= 10:
result = min(result,cnt)
return
if y >= 10:
dfs(x+1,0,cnt)
return
if arr[x][y] == 1:
for paper_size in range(5,0,-1):
if paper[paper_size]:
if x + paper_size <= 10 and y + paper_size <= 10:
flag = False
for dx in range(paper_size):
for dy in range(paper_size):
if not arr[x+dx][y+dy]:
flag = True
break
if flag:
break
if not flag:
for dx in range(paper_size):
for dy in range(paper_size):
arr[x+dx][y+dy] = 0
paper[paper_size] -= 1
dfs(x,y+paper_size-1,cnt+1)
paper[paper_size] += 1
for dx in range(paper_size):
for dy in range(paper_size):
arr[x+dx][y+dy] = 1
else:
dfs(x,y+1,cnt)
arr = [list(map(int,input().split())) for _ in range(10)]
paper = [0]+[5]*5
result = float('inf')
dfs(0,0,0)
print(result if result != float('inf') else -1)
def check(x,y,size):
if x + size > 10 or y + size >10:
return False
for dx in range(size):
for dy in range(size):
if not arr[x+dx][y+dy]:
return False
return True
def set_position(x,y,size,val):
for dx in range(size):
for dy in range(size):
arr[x+dx][y+dy] = val
def dfs(x,y,cnt):
global result
if cnt >= result:
return
finish = True
while x < 10:
while y < 10:
if arr[x][y] == 1:
finish = False
for paper_size in range(5,0,-1):
if paper[paper_size] and check(x,y,paper_size):
set_position(x,y,paper_size,0)
paper[paper_size] -= 1
dfs(x,y+paper_size-1,cnt+1)
paper[paper_size] += 1
set_position(x,y,paper_size,1)
return
y += 1
x += 1
y = 0
if finish:
result = min(result,cnt)
arr = [list(map(int,input().split())) for _ in range(10)]
paper = [0]+[5]*5
result = float('inf')
dfs(0,0,0)
print(result if result != float('inf') else -1)