( /LYNX/ZHURNAL/stek.txt )
. . 1. . 2. . x x x 3. . x x x x x x x x x x x x x x x x x x 4. x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x 5. . x x x x x x x x x x x x 6. . x x x x x x x x x x x x .