C222123232321333131133133313331333132313331121232213222123323321   >>    C22212323232133313113313331333133313231333112123221322212332332   <<    C222123232321333131133133313331333132313331121232213222123323323   >>      C222123232321333131133133313331333132313331121232213222123323322   >>