{%- set w, h = 10, 10 -%} {%- set v = "var(--v%s-%s)" -%}

{%- for wi in range(w) -%} {%- endfor -%}

{%- for hi in range(1, h) -%}

{%- for wi in range(w) -%} {%- endfor -%}

{%- endfor -%}