C132233133112121111331333133313331333132322331333132233112211231   >>    C13223313311212111133133313331333133313232233133313223311221123   <<    C132233133112121111331333133313331333132322331333132233112211233   >>      C132233133112121111331333133313331333132322331333132233112211232   >>