Write the decryption of a 2-round generalized Feistel network given below.
$P_i$ denotes plaintext blocks of each 32-bits.
$RK_i$ denotes the round keys.
$WK_i$ denotes 32-bit keys applied only at the ﬁrst round (whitening keys)
Continue the lines for the decryption.
The whole ﬁgure will input 4, 32-bit plaintext, encrypt it for 2 rounds and continue with decryption and will output the same input
Can anyone help me for this question?