Longest Rectangular Holeless Puzzles

This wiki page documents the longest known Holeless Pathology puzzles which fit within small $M \times N$ rectangles.

All types of boxes are allowed, but there are no holes.

To preview and play any of these levels, just copy the level data into the Pathology Level Creator

	3	4	5	6	7	8	$\cdots$	N
3	10	14	19	23	28	44		?
4		22	40	63	86	148		?
5			69	97	146	204		?
6				165	217	284		?
7					320	360		?
8						494		?

$3 \times 3$

Found by davidspencer6174 via computer search

000
489
I30

$3 \times 4$

Found by davidspencer6174 via computer search

00B0
08B3
004H

$3 \times 5$

Found by davidspencer6174 via computer search

4D0G0
0C320
G0000

$3 \times 6$

Found by davidspencer6174 via computer search

C00000
0B3E20
410A00

$3 \times 7$

Found by davidspencer6174 via computer search

0000840
02306F0
0H0F020

$3 \times 8$

Found by davidspencer6174 via computer search

4C020000
0803HD0A
0E0D000E

$4 \times 4$

Found by davidspencer6174 via computer search

0740
A390
0220
0200

$4 \times 5$

Found by davidspencer6174 via computer search

00001
0B364
20CDB
00000

$4 \times 6$

Found by davidspencer6174 via computer search

000000
0A13DE
F208B0
400000

$4 \times 7$

Found by davidspencer6174 via computer search

0000000
0G01AD0
0H36482
0000110

$4 \times 8$

Sea Block found by davidspencer6174 via computer search

$5 \times 5$

Found by davidspencer6174 via computer search

00000
0D099
030B4
071A0
10000

$5 \times 6$

Found by davidspencer6174 via computer search

000000
098060
0030G0
0678H6
980004

$5 \times 7$

Found by mathmasterzach via computer search

000G000
006C6D0
J13A024
00BJ062
0000000

$5 \times 8$

Inventory Management found by davidspencer6174 via computer search

$6 \times 6$

Found by davidspencer6174 via computer search

1000B0
001977
0D3060
00DFA0
010070
000140

$6 \times 7$

Found by davidspencer6174 via computer search

0000060
GIF9640
08007F8
0I3D000
00801H0
6000000

$6 \times 8$

Found by davidspencer6174 via computer search

0J000064
069F0060
08007CC8
B1390000
00B0A7A0
00000000

$7 \times 7$

Found by davidspencer6174 via computer search

0000000
010B760
04I3A00
1CD0061
0H0J000
070CA90
0000000

$7 \times 8$

Found by davidspencer6174 via computer search

0007000I
08ED4600
000A101C
0C603900
0B000C00
0601B70F
00070000

$8 \times 8$

Found by davidspencer6174 via computer search

70001000
00600800
010BB1J0
0413H00D
1CD001A0
0H090006
070CB90G
00000007