C313131323331311331322331322331311211331323132311113313231333132323321311   >>    C31313132333131133132233132233131121133132313231111331323133313232332131   <<    C313131323331311331322331322331311211331323132311113313231333132323321313   >>      C313131323331311331322331322331311211331323132311113313231333132323321312   >>