C221213331323133112111133133313331322331311331333133313221333132312121   >>    C22121333132313311211113313331333132233131133133313331322133313231212   <<    C221213331323133112111133133313331322331311331333133313221333132312123   >>      C221213331323133112111133133313331322331311331333133313221333132312122   >>