C13223313311212111133133313331333131212111113331333133313133313331333231333221   >>    C1322331331121211113313331333133313121211111333133313331313331333133323133322   <<    C13223313311212111133133313331333131212111113331333133313133313331333231333223   >>      C13223313311212111133133313331333131212111113331333133313133313331333231333222   >>