C222123232321333131133133313331333132313232313112112211132122311   >>    C22212323232133313113313331333133313231323231311211221113212231   <<    C222123232321333131133133313331333132313232313112112211132122313   >>      C222123232321333131133133313331333132313232313112112211132122312   >>