find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1 find -1 OR 2 47-47-1=0 0 0 1