Identify basic blocks and hence draw control flow graph for the following code. = read () ; b: read (): C:= read (); a : a +b + c: if (a < 10) { d: c+ 8; write (c) : ) else if (a < 20) { O :- 10: d := e + a; write (e) ; ) else ( f 12: d:= f + a; write (f): Write (d);

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