---- keys ---- ← turn → ↑↓ move ---- edit ---- space key input a string with o and 1,length should be 2^n, the map is squar and width and height is n, after input, press green flag again. see the 10*10 map below VVVVVVVVVV -------------------------------- 0000000000011100000101000111000101110001000100011000110111000010010001001011011100001001000101001101 --------------------------------