I3313232123313131333131232313231333132313231322331323133313232233132322121   >>    I331323212331313133313123231323133313231323132233132313331323223313232212   <<    I3313232123313131333131232313231333132313231322331323133313232233132322123   >>      I3313232123313131333131232313231333132313231322331323133313232233132322122   >>