0 l l 0 h

0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h
0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h
0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h0 l l 0 h