# Interleaved DC scan for Y,Cb,Cr: 0,1,2: 0-0, 0, 1 ; # AC scans: 0: 1-27, 0, 0 ; 2: 1-63, 0, 0 ; 1: 1-63, 0, 0 ; # Remaining Y coefficients 0: 28-63, 0, 0 ;