text: from collections import defaultdict
  
  def readLine(line):
      return [ int(c) for c in line.split(' ') ]
  
  
  def isArithmeticSeq(seq):
      return seq[1] - seq[0] == seq[2] - seq[1]
  
  
  def solve(arr):
      arr[1].append(arr[1][-1])
      arr[1][1] = None
      count = 0
  
      if isArithmeticSeq(arr[0]): count += 1
      if isArithmeticSeq(arr[2]): count += 1
      if isArithmeticSeq([arr[i][0] for i in range(3)]): count += 1
      if isArithmeticSeq([arr[i][2] for i in range(3)]): count += 1
  
      # potential values to get arithmethic sequences
      xH = arr[1][2] - (arr[1][2] - arr[1][0]) / 2
      xV = arr[2][1] - (arr[2][1] - arr[0][1]) / 2
      xD1 = arr[2][2] - (arr[2][2] - arr[0][0]) / 2
      xD2 = arr[2][0] - (arr[2][0] - arr[0][2]) / 2
  
      xScore = defaultdict(int)
      for x in [xH, xV, xD1, xD2]:
          if int(x) == x: xScore[int(x)] += 1
  
      xScoreMax = 0
      topX = None
      for x in xScore:
          xScoreMax = max(xScoreMax, xScore[x])
  
      return count + xScoreMax
  
  
  def play():
      cases = int(input())
      for i in range(cases):
          arr = []
          for _ in range(3):
              arr.append(readLine(input()))
          output = solve(arr)
          print('Case #{}: {}'.format(i + 1, output))
  
  
  play()