Devise round key R1 for DES algorithm if the key is 0x 12 34 56 78 9a bc de f0 in hexadecimal. Show your calculations, provide necessary explanations.

Randi 1000 HEH Permuted Choice 1 (PC-1) 57 49 41 33 25 179 1 58 50 42 34 26 18 10 2 59 51 43 35 27 19 11 3 60 52 44 36 63 55 47 39 31 23 15 7 62 54 46 38 30 22 14 6 61 53 45 37 29 21 13 5 28 20 12 4 Pre 1.7 General Dupletif DES Krypton Alwithm Permuted Choice 2 (PC-2) 14 17 11 24 1 5 3 28 15 6 21 10 23 19 12 4 26 8 16 7 27 20 13 2 41 52 31 37 47 55 30 40 51 45 33 48 44 49 39 56 34 53 46 42 50 36 29 32 Schedule of Left Shifts Round number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bits rotated 112222 2212 2 2 2 2 2 1 Randi 1000 HEH Permuted Choice 1 (PC-1) 57 49 41 33 25 179 1 58 50 42 34 26 18 10 2 59 51 43 35 27 19 11 3 60 52 44 36 63 55 47 39 31 23 15 7 62 54 46 38 30 22 14 6 61 53 45 37 29 21 13 5 28 20 12 4 Pre 1.7 General Dupletif DES Krypton Alwithm Permuted Choice 2 (PC-2) 14 17 11 24 1 5 3 28 15 6 21 10 23 19 12 4 26 8 16 7 27 20 13 2 41 52 31 37 47 55 30 40 51 45 33 48 44 49 39 56 34 53 46 42 50 36 29 32 Schedule of Left Shifts Round number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bits rotated 112222 2212 2 2 2 2 2 1