viewimage.php?no=24b0d769e1d32ca73dec86fa11d02831e11ed4e1ce518c3fae84bae8609f8e46b22b11739f11a3e6932e7a4c8e452f54ba4f25eead771316d19e17071cc25327de40869f08484cf04f9590bf3f008d8fffa644e9bccc4181ecb8118c

C[a,b] 가 무슨 의미...??