pathTest = html`
<svg width="192" height="192">
<path fill="none" stroke="rgba(0,0,0,0.1)" stroke-width="1" d="
M 48 0 l 0 192 M 96 0 l 0 192 M 144 0 l 0 192
M 0 48 l 192 0 M 0 96 l 192 0 M 0 144 l 192 0
" />
<path fill="none" stroke="rgba(0,0,0,1)" stroke-width="1" d="
${boardToPathString([2,3,4,5,6,7,8,9,10,11,12,13,14,15,16, 1], 4, 48)}
" />
</svg>`