middle bottom -> up (+1)
down right -> right (+2)
middle top -> left (+1)
middle bottom -> down (+1)
Left center -> right (+1 )/right (+2)
Top left (old: top middle) -> up (end)
middle top (old: left center) -> up (end)
middle bottom (old: middle bottom) -> up (end)
bottom right (old: bottom right) -> left (+2) / left (+3)
bottom right (old: bottom right) -> up (end)