C13223313311212111133133313331333133313232233133313311211111211113313331313231   >>    C1322331331121211113313331333133313331323223313331331121111121111331333131323   <<    C13223313311212111133133313331333133313232233133313311211111211113313331313233   >>      C13223313311212111133133313331333133313232233133313311211111211113313331313232   >>