C132233133112121111331333133313331333132322331333132233112211231221   >>    C13223313311212111133133313331333133313232233133313223311221123122   <<    C132233133112121111331333133313331333132322331333132233112211231223   >>      C132233133112121111331333133313331333132322331333132233112211231222   >>