b = 260, 261, 261, 263, 264, 265, 266, 267, 268, 269
a+b+c = 189 + 260 + 1434 = 1883
a+b+c = 189 + 261 + 1434 = 1884
a+b+c = 189 + 262 +1434 = 1885
a+b+c = 189 + 263 + 1434 = 1886
a+b+c = 189 + 264 + 1434 = 1887
a+b+c = 189 + 265 + 1434 = 1888
a+b+c = 189 + 266 + 1434 = 1889
a+b+c = 189 +267 + 1434 = 1890
a+b+c = 189 + 268 + 1434 = 1891
a+b+c = 189 + 269 + 1434 = 1892