NInfinite lives                
Z  8 27680 167   0
NNo hills level 1              
Z  8 25142   0   0
NNo spiders level 1            
Z  8 28773   0   0
NRopes don't shorten level 2   
Z  8 29626  52   0
NNo spiders level 3            
Z  8 30070   0   0
Y