C222123232321333131133133313331333132313232313112112211112123231   >>    C22212323232133313113313331333133313231323231311211221111212323   <<    C222123232321333131133133313331333132313232313112112211112123233   >>      C222123232321333131133133313331333132313232313112112211112123232   >>