Both are same

Front curve deep than back

Back curve deep than front

Both height different

Chest line on Scye level

Chest line on arm hole middle

Chest round

Shoulder to shoulder

Including dart mark

Excluding dart mark

Including dart mark and allowance

Excluding dart mark and allowance

2 x length + allowance

2 x length + sleeve length

2 x length + sleeve length + allowance

2 x sleeve length + 2 sleeve length

Shoulder joining

Neck finishing

Sleeve allaching

Slit stitching