23 + 89 + 77 = 18944 + 77 + 56 = 177223 + 389 + 277 = 889144 + 578 + 256 = 978123 + 289 + 177 = 589544 + 278 + 156 = 978
23 + 89 + 77 = 189
44 + 77 + 56 = 177
223 + 389 + 277 = 889
144 + 578 + 256 = 978
123 + 289 + 177 = 589
544 + 278 + 156 = 978