13^2+5*{2316:579+[40 +2^3*(2^4*5^2:10-2^2*3^2)]+11 =
169 + 5 × { 4 + [ 40 + 8 × ( 16 × 25 : 10 - 4×9)]}+ 11 =
169 + 5 × { 4 + [ 40 + 8 × ( 40 - 36)]} + 11 =
169 + 5 × [ 4 + (40 + 8 × 4)] + 11 =
169 + 5 × [ 4 + (40 + 32)] + 11 =
169 + 5 × ( 4 + 72) + 11 =
169 + 5 × 76 + 11 =
169 + 380 + 11 =
549 + 11 =
560
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