input1.txt 210 B

12345
  1. {"key"="023";"subkey"="3";"value"="aaa"};
  2. {"key"="037";"subkey"="5";"value"="ddd"};
  3. {"key"="075";"subkey"="1";"value"="abc"};
  4. {"key"="150";"subkey"="1";"value"="aaa"};
  5. {"key"="150";"subkey"="3";"value"="iii"};