In the CL2 multi-group format, sometimes all CLIP headers come before the data

[glebm]

For example, PlrGFX\Rogue\RLN\RLNDT.CL2 is like this:

{CL2 GROUP HEADER} <-- 8 groups
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 CLIP HEADER}
{CL2 FRAME} <-- x160