C22212323232133313113313331333132313331323132323131232322131322221231   >>    C2221232323213331311331333133313231333132313232313123232213132222123   <<    C22212323232133313113313331333132313331323132323131232322131322221233   >>      C22212323232133313113313331333132313331323132323131232322131322221232   >>