431+248 = 679205+309 = 514830+179 = 1009700+169 = 86983+165= 24872+289 = 361720+85 = 80532+132 = 164814+186 = 1000
431+248 = 679
205+309 = 514
830+179 = 1009
700+169 = 869
83+165= 248
72+289 = 361
720+85 = 805
32+132 = 164
814+186 = 1000