Leyline of Sanctity

place/remove - left mouse button

move - drag holding the right mouse button

zoom - scroll wheel

switch monument/church - click bottom right

'Show Leylines' - visualizes all leylines and mighty churches

'Auto Solve' - marks all optimal solutions with blue monuments and outputs the positions in the top right corner (if the amount of possible solutions is infinite, only one will be marked)

click the 'Parse' button, after writing custom input