text: from dfs import main as dfs_solve
  from bfs import main as bfs_solve
  
  # for dfs
  filename = "txt/big_shuang.txt"
  start, end = (0, 2), (32, 4)
  # dfs_solve(filename, start, end)
  dfs_solve(filename, start, end, line=True)
  
  # filename = "txt/sanlian2.txt"
  # start, end = (0, 2), (33, 5)
  # dfs_solve(filename, start, end, line=True)
  
  # for bfs
  # filename = "big_shuang.txt"
  # start, end = (0, 2), (33, 5)
  # bfs_solve(filename, start, end, line=True)
  # bfs_solve(filename, start, end)
  
  # filename = "txt/sanlian2.txt"
  # start, end = (0, 2), (33, 5)
  # bfs_solve(filename, start, end, line=True)
  # bfs_solve(filename, start, end)