C132233133112121111331333133313331333132322331333131133132233211231   >>    C13223313311212111133133313331333133313232233133313113313223321123   <<    C132233133112121111331333133313331333132322331333131133132233211233   >>      C132233133112121111331333133313331333132322331333131133132233211232   >>