def METHOD_NAME(self, blk, wr=False):
    if blk.id == 0:
        if wr:
            return 32 * 8
        else:
            return 32 * blk.len
    else:
        if wr:
            rs_coding = 32 * 3
            return 32 * 8 + rs_coding
        else:
            return 32 * blk.len