PP_2_BIN_SZC
cand->pcc_color_free[PP_2_BIN_SZC(pp, r)]++;
ASSERT(cand->pcc_color_free[PP_2_BIN_SZC(pp, r)] != 0);
cand->pcc_color_free[PP_2_BIN_SZC(pp, r)]--;
#define PP_2_BIN(pp) (PP_2_BIN_SZC(pp, pp->p_szc))
#define PP_2_BIN(pp) (PP_2_BIN_SZC(pp, pp->p_szc))