C312111333131323132313233313131323132313132322331323331323331323331322332221   >>    C31211133313132313231323331313132313231313232233132333132333132333132233222   <<    C312111333131323132313233313131323132313132322331323331323331323331322332223   >>      C312111333131323132313233313131323132313132322331323331323331323331322332222   >>