C313131323331311331322331322331322132333132333132213331323221323132331   >>    C31313132333131133132233132233132213233313233313221333132322132313233   <<    C313131323331311331322331322331322132333132333132213331323221323132333   >>      C313131323331311331322331322331322132333132333132213331323221323132332   >>