carcrash exercise No 20 Yes 20 Yes 2 Yes 25 No 60 No 0 Yes 0 No 0 Yes 0 No 0 No 60 No 40 No 60 Yes 60 No 0 No 30 No 0 Yes 30 No 0 Yes 30 Yes 60 No 150 Yes 45 Yes 45 Yes 20 Yes 0 Yes 90 No 120 No 250 No 0 No 60 No 0 No 0 Yes 60 Yes 45 No 0 Yes 5 No 120 Yes 45 No 30 No 60 No 120 Yes 15 Yes 0 No 0 No 120 Yes 30 Yes 30 Yes 0 Yes 120 No 240