I331323221311211331313232233132311211331323132311331323221121211   >>    I33132322131121133131323223313231121133132313231133132322112121   <<    I331323221311211331313232233132311211331323132311331323221121213   >>      I331323221311211331313232233132311211331323132311331323221121212   >>