C13223313311212111133133313331333133313233121333133313331311321231231   >>    C1322331331121211113313331333133313331323312133313331333131132123123   <<    C13223313311212111133133313331333133313233121333133313331311321231233   >>      C13223313311212111133133313331333133313233121333133313331311321231232   >>