The posted solutions are crude translation of a Japanese version, so there are many typos and translation errors. Be careful.
Chapter 1 SecondSM1RQAh.pdf password QA1
Chapter 2 SecondSM2RQAh.pdf password QA2
Chapter 3 SecondSM3RQAh.pdf password QA3
Chapter 4 SecondSM4RQAh.pdf password QA4
Chapter 5 SecondSMJ5RQA.pdf password QA5