# 1,2,4,1
-1.500000000000000000e+01
-2.000000000000000000e+01
-7.000000000000000000e+00
-1.900000000000000000e+01
-1.400000000000000000e+01
-1.000000000000000000e+01
-1.600000000000000000e+01
-8.000000000000000000e+00