def down(module,block,start):#用于判断当前一行是否满足
for i in range(4):
for j in range(4):
if block[i][j]==1:
if start[0]+i>=15 or module[start
def down(module,block,start):#用于判断当前一行是否满足
for i in range(4):
for j in range(4):
if block[i][j]==1:
if start[0]+i>=15 or module[start