ztgex2(3) on Linux
The text 78c7a965704b, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
swap adjacent diagonal 1 by 1 blocks (A11,B11) and (A22,B22)
The text 78c7a965704b, as Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
swap adjacent diagonal 1 by 1 blocks (A11,B11) and (A22,B22)