C313131323331311331322331322331322132333132333132213331323221323131121   >>    C31313132333131133132233132233132213233313233313221333132322132313112   <<    C313131323331311331322331322331322132333132333132213331323221323131123   >>      C313131323331311331322331322331322132333132333132213331323221323131122   >>