C222123232321333131133133313331333132313232313112112211121312311   >>    C22212323232133313113313331333133313231323231311211221112131231   <<    C222123232321333131133133313331333132313232313112112211121312313   >>      C222123232321333131133133313331333132313232313112112211121312312   >>