switch(r) {
case RRR02_HDR: return static_bitsequence_rrr02::load(fp);
case BRW32_HDR: return static_bitsequence_brw32::load(fp);
switch(r) {
case RRR02_HDR: return static_bitsequence_rrr02::load(fp);
case BRW32_HDR: return static_bitsequence_brw32::load(fp);