You can define subfigures:
![a](fig1.png "fig:"){#fig:subfig1} ![b](fig2.png "fig:"){#fig:subfig2}
![c](fig3.png "fig:")
![d](fig4.png "fig:"){#fig:subfig4} ![e](fig5.png "fig:")
![f](fig6.png "fig:"){#fig:subfig6}
![g](fig7.png "fig:"){#fig:subfig7} ![h](fig8.png "fig:")
![i](fig9.png "fig:"){#fig:subfig9}
Figure 1: Caption. a — 1; b — 2; c — 3; d — 4; e — 5; f — 6; g — 7; h —
8; i — 9
![a](fig1.png){#fig:subfig21}
![b](fig2.png){#fig:subfig22}
![c](fig3.png)
![d](fig4.png){#fig:subfig24}
![e](fig5.png)
![f](fig6.png){#fig:subfig26}
![g](fig7.png){#fig:subfig27}
![h](fig8.png)
![i](fig9.png){#fig:subfig29}
Figure 2: Caption. a — 1; b — 2; c — 3; d — 4; e — 5; f — 6; g — 7; h —
8; i — 9
Figures themselves can be referenced fig. 2, as well as individual
subfigures: figs. 1 (a), 1 (b), 2 (i)