I3313232123313131333131232313231333132313231322331323133313232233132332211   >>    I331323212331313133313123231323133313231323132233132313331323223313233221   <<    I3313232123313131333131232313231333132313231322331323133313232233132332213   >>      I3313232123313131333131232313231333132313231322331323133313232233132332212   >>