C13223313311212111133133313331333133313233121333132313331311331323112113231231   >>    C1322331331121211113313331333133313331323312133313231333131133132311211323123   <<    C13223313311212111133133313331333133313233121333132313331311331323112113231233   >>      C13223313311212111133133313331333133313233121333132313331311331323112113231232   >>