C132233133112121111331333133313331323133313233121111331333112211232311   >>    C13223313311212111133133313331333132313331323312111133133311221123231   <<    C132233133112121111331333133313331323133313233121111331333112211232313   >>      C132233133112121111331333133313331323133313233121111331333112211232312   >>