C22212323232133313113313331333132313331323132323131232322111321   >>    C2221232323213331311331333133313231333132313232313123232211132   <<    C22212323232133313113313331333132313331323132323131232322111323   >>      C22212323232133313113313331333132313331323132323131232322111322   >>