( /DYACHENKO/r_hk.txt )
, . 
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 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 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