In the given letter series, from the left end, if the 1st letter and 4th letter are interchanged, the 2nd letter and 8th letter are interchanged, and the 5th letter and 6th letter are interchanged, which series would form a meaningful English word after the rearrangement?
I. LNICRDEH
II. PRMCTUEO
III. LEOPCUER

1          2          3          4          5          6          7          8 L          N         I           C         R         D         E         H C         H         I           L          D         R         E         N ‘CHILDREN’ is a meaningful word. 1          2          3          4          5          6          7          8 P         R         M         C         T          U         E         O C         O         M         P         U         T          E         R ‘COMPUTER’ is a meaningful word. 1          2          3          4          5          6          7          8 L          E         O         P         C         U         E         R P         R         O         L          U         C         E         E No meaningful word is formed.