( /NEWPROZA/BONCH/krest.txt )
-. 1 2 3 4 5 x x x x x x x x x 6 7 x x x x x x x x x x x x 8 x x x 9 x x x 10 x x x 11 x x x 12 13 x x x 14 15 x x x x x x x x x x x x x x x x x x 16