<Tr> <Th_colspan="2"> Strength </Th> </Tr> <Tr> <Td> first day: 14 divisions in the assault 9 divisions in reserve </Td> <Td> first day: 12 divisions in the line 5 divisions in reserve </Td> </Tr> <Tr> <Th_colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> 158,000 </Td> <Td> 120,000--130,000 </Td> </Tr>

Who was involved in the battle of arras