C132233133112121111331333133313331312121111133313331323233231322221   >>    C13223313311212111133133313331333131212111113331333132323323132222   <<    C132233133112121111331333133313331312121111133313331323233231322223   >>      C132233133112121111331333133313331312121111133313331323233231322222   >>