"abc(1) = xyz(0);" == "abc(2) = xyz(1);" ?  0.875
"abc(2) = xyz(1);" == "abc(3) = xyz(2);" ?  0.875
"abc(3) = xyz(2);" == "abc(4) = xyz(3);" ?  0.875
"abc(4) = xyz(3);" == "abc(5) = xyz(4);" ?  0.875
"abc(5) = xyz(4);" == "abc(6) = xyz(5);" ?  0.875
"abc(6) = xyz(5);" == "abc(7) = xyz(6);" ?  0.875
"abc(7) = xyz(6);" == "abc(8) = xyz(7);" ?  0.875
"abc(8) = xyz(7);" == "abc(9) = xyz(8);" ?  0.875
"abc(9) = xyz(8);" == "abc(10) = xyz(9);" ?  0.848484848484849
"abc(10) = xyz(9);" == "not similar" ?  0.0714285714285714