I3313232123313131333131232313231333132313231322331323133313232213231323223311   >>    I331323212331313133313123231323133313231323132233132313331323221323132322331   <<    I3313232123313131333131232313231333132313231322331323133313232213231323223313   >>      I3313232123313131333131232313231333132313231322331323133313232213231323223312   >>