assuming 2@(8.9) we have empty@81 because...

1@97 9@98
4@29 6@39 8@19 1@38



--------------
1@71 -1@81
3@83 -3@81
5@21 -5@81
==============
9@12 -9@62
--------------
3@62 -3@66
6@76 -6@66
5@36 -5@66
9@46 -9@66
---------------

col 9 done
multiple singles
row 9 done

