C11112331312111112111133133313331311331322331323133313331323213121   >>    C1111233131211111211113313331333131133132233132313331333132321312   <<    C11112331312111112111133133313331311331322331323133313331323213123   >>      C11112331312111112111133133313331311331322331323133313331323213122   >>