case shell result 0 ysh pass 0 ysh-cpp pass 1 ysh pass 1 ysh-cpp pass 2 ysh pass 2 ysh-cpp pass 3 ysh pass 3 ysh-cpp pass 4 ysh pass 4 ysh-cpp pass 5 ysh pass 5 ysh-cpp pass 6 ysh pass 6 ysh-cpp pass 7 ysh pass 7 ysh-cpp pass 8 ysh pass 8 ysh-cpp pass 9 ysh pass 9 ysh-cpp pass 10 ysh pass 10 ysh-cpp pass 11 ysh pass 11 ysh-cpp pass 12 ysh pass 12 ysh-cpp pass 13 ysh pass 13 ysh-cpp pass 14 ysh pass 14 ysh-cpp pass 15 ysh pass 15 ysh-cpp pass 16 ysh pass 16 ysh-cpp pass 17 ysh FAIL 17 ysh-cpp FAIL 18 ysh FAIL 18 ysh-cpp FAIL 19 ysh pass 19 ysh-cpp pass 20 ysh pass 20 ysh-cpp pass