402 kg−wt40 \sqrt{2} \mathrm{~kg}-\mathrm{wt}402 kg−wt
40 kg−wt40 \mathrm{~kg}-\mathrm{wt}40 kg−wt
202 kg−wt20 \sqrt{2} \mathrm{~kg}-\mathrm{wt}202 kg−wt
20 kg-wt 20 \mathrm{~kg} \text {-wt }20 kg-wt