Create extended partition
eed98bd91ea08e63ab6cd9aa18ce544e mbr-nondos-mode.img

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Disk <removed>: 20 MiB, 20971520 bytes, 40960 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / <removed> bytes
Disklabel type: dos
Disk identifier: <removed>

Device     Boot Start   End Sectors Id Type     Start-C/H/S End-C/H/S Attrs
<removed>1       2048  8191    6144 83 Linux        0/32/33   0/130/2 
<removed>2       8192 12287    4096 83 Linux        0/130/3   0/195/3 
<removed>3      12288 40959   28672  5 Extended     0/195/4  2/140/10 
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