Shimoliy-g‘arbdagi (1;1) katakka ----media/image10.wmf---- ni joylashtiramiz va 1- qatorni o‘chiramiz va ----media/image11.wmf---- ni ----media/image12.wmf---- ga almashtiramiz. So‘ngra (2;1) katakka ----media/image13.wmf---- ni joylashtiramiz. Bu holda 1-ustun o‘chiriladi va 2- qatordagi ----media/image14.wmf---- ni ----media/image15.wmf---- ga almashtiraviz. Keyin (2;2) katakka o‘tib ----media/image16.wmf---- ni yozamiz. Shunday yo‘l bilan (3;2) katakka ----media/image17.wmf---- ni, (3;3) katakka ----media/image18.wmf---- ni va (3;4) katakka ----media/image19.wmf---- ni yozamiz.