Unpack firmware TP-LINK WR741ND?

Question

reverse engineering

Gathered FMK, put binwalk, unpacked (?) Binwalk'om
> binwalk -e wr741ndv4_ru_3_13_2_up_boot (140521) .bin
> _wr741ndv4_ru_3_13_2_up_boot the ls (140521) .bin.extracted
> 120200.squashfs 20400 20400.7z 3CEC 3CEC.7z squashfs-root
then collected unsquashfs c LZMA_XZ_SUPPORT = 1
>$ ./unsquashfs 120200.squashfs
>Parallel unsquashfs: Using 1 processor
>lzma uncompress failed with error code 9
>read_block: failed to read block @0x23d12a
>read_fragment_table: failed to read fragment table index
>FATAL ERROR aborting: failed to read fragment table
What am I doing wrong?