obj bus xz190 y+1
obj car xz175 z+20 y-0.5
obj car xz182 yz10 x+5 z+50 y-0.2
obj car xz170 yz-5 xy10 x+1 z+60 y-1.3
obj car xz188 yz-2 xy-5 x+3 z+34 y+0.6

obj car xz5 yz1 xy15 x-5 z+55 y+0.23
obj car xz-2 yz2 xy-3 x-10 z+32 y-1.1
obj car xz-4 yz-8 xy-9 x-5 z+8 y+0.4
rnd obj^car^xz3^yz-2^xy3^x-8^z+57^y+0.1 obj^pol^xz3^yz-2^xy3^x-8^z+57^y+0.1