C222123232321333131133133313331333132313331121132221222211231211   >>    C22212323232133313113313331333133313231333112113222122221123121   <<    C222123232321333131133133313331333132313331121132221222211231213   >>      C222123232321333131133133313331333132313331121132221222211231212   >>