>> 8 .

2.3.

,

2.3.4. .

. , , , , . . .

( ) , . () . , (. 2.5, ) , 5- (. 2.5, ).

( ) (), . , . , , 8 5- (. 2.6).

. , . .

(. . 2.5, ) WEEK, WEEK[1] = '', WEEK[6] = ''.

LES. LES[1,1] = 6, LES[2,5] = 6, LES[3,4] = 0.

. 2.7.

 

 

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