I331323221311211331313232233132311211331323132333132333132322121   >>    I33132322131121133131323223313231121133132313233313233313232212   <<    I331323221311211331313232233132311211331323132333132333132322123   >>      I331323221311211331313232233132311211331323132333132333132322122   >>