C313131323331311331322331322331322132333132333132213331323231131   >>    C31313132333131133132233132233132213233313233313221333132323113   <<    C313131323331311331322331322331322132333132333132213331323231133   >>      C313131323331311331322331322331322132333132333132213331323231132   >>