C132233133112121111331333133313331333132313231332133313121121121   >>    C13223313311212111133133313331333133313231323133213331312112112   <<    C132233133112121111331333133313331333132313231332133313121121123   >>      C132233133112121111331333133313331333132313231332133313121121122   >>