In a certain code language, 'BASKET' is coded as ‘211911520’ and ‘BOX’ is coded as ’21524’. How will 'COVER' be coded in that language?

31522518

1   2    3    4   5    6   7     8    9  10  11  12  13

 A   B   C    D   E    F   G    H    I    J    K    L   M

 ↓    ↓    ↓    ↓    ↓     ↓   ↓    ↓     ↓   ↓    ↓    ↓    ↓

 Z   Y    X   W   V    U   T    S    R   Q   P    O   N

26  25  24  23  22  21  20  19  18  17  16  15  14

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THE LOGIC FOLLOWED HERE IS

POSITIONAL VALUE OF ENGLISH ALPHABET IS GIVEN IN CODED NUMBER

HERE

BASKET

B = 2

A = 1

S = 19

K = 11

E = 5

T = 20

AND

BOX

B = 2

O = 15

X = 24

SIMILARLY

COVER

C= 3

O = 15

V = 22

E = 5

R = 18