service food tip No1.1 No1.2 No1.3 
0.0 0.0 5.000020040080156 1.0 0.0 0.0 
0.0 1.8 5.000020040080156 1.0 0.0 0.0 
0.0 3.6 5.000020040080156 1.0 0.0 0.0 
0.0 5.3999999999999995 5.000020040080156 1.0 0.0 0.0 
0.0 7.2 5.000020040080156 1.0 0.0 0.0 
1.8 0.0 8.161124892286946 1.0 0.26666666666666666 0.0 
1.8 1.8 8.54950607575949 0.6 0.26666666666666666 0.0 
1.8 3.6 8.66927574381595 0.55 0.26666666666666666 0.0 
1.8 5.3999999999999995 8.66927574381595 0.55 0.26666666666666666 0.0 
1.8 7.2 8.66927574381595 0.55 0.26666666666666666 0.0 
3.6 0.0 9.955181584284231 1.0 0.8666666666666667 0.0 
3.6 1.8 10.390254985117041 0.6 0.8666666666666667 0.0 
3.6 3.6 13.37919506577268 0.09999999999999998 0.8666666666666667 0.0 
3.6 5.3999999999999995 13.37919506577268 0.09999999999999998 0.8666666666666667 0.0 
3.6 7.2 13.37919506577268 0.09999999999999998 0.8666666666666667 0.0 
5.3999999999999995 0.0 10.000040019919915 1.0 1.0 0.0 
5.3999999999999995 1.8 10.434808979091365 0.6 1.0 0.0 
5.3999999999999995 3.6 15.000000000000037 0.0 1.0 0.0 
5.3999999999999995 5.3999999999999995 15.000000000000037 0.0 1.0 0.0 
5.3999999999999995 7.2 15.000000000000037 0.0 1.0 0.0 
7.2 0.0 9.565238207039531 1.0 0.5999999999999999 0.0 
7.2 1.8 10.000007142857134 0.6 0.5999999999999999 0.0 
7.2 3.6 15.000000000000021 0.0 0.5999999999999999 0.0 
7.2 5.3999999999999995 15.000000000000021 0.0 0.5999999999999999 0.0 
7.2 7.2 16.84460906644311 0.0 0.5999999999999999 0.10000000000000009