Jammed Puzzle - Set 4

Find the single move in each of the 4 jammed Sudoku puzzles.  A jammed puzzle has only a possible move (without using elimination techniques). See how fast you can find the single step in each puzzle.

For more information: First article – Sudoku Puzzle Notation
For the solutions: Spoiler Page

Avocado A B C D E F G H I 1 6 5 2 3 5 6 3 1 9 7 4 9 1 6 5 6 9 5 6 3 9 6 1 5 7 6 9 8 8 3 8 5 6 9 9 4 3 8	Pomelo A B C D E F G H I 1 1 5 6 2 6 5 3 6 9 3 5 4 8 6 5 4 6 6 9 6 5 7 7 6 8 8 6 7 5 9 3 7 6 9
Watermelon A B C D E F G H I 1 9 8 2 6 2 3 9 3 7 8 2 6 4 3 9 5 2 6 5 6 3 6 1 3 9 7 8 4 3 2 8 2 3 9 3 2 8 7	Orange A B C D E F G H I 1 3 2 5 3 3 8 9 1 4 6 1 9 5 1 6 7 8 4 6 1 4 8 3 9 5 6 7 7 3 1 7 8 1 8 4 9 8 1

Avocado 006000050 003056000 001097000 000900106 600000905 390615000 069000008 038569000 000438000

Pomelo 105600000 000000650 609350000 860000000 000004006 000960005 070006800 006007500 003000769

Watermelon 000908000 000602000 937000826 300095260 000063000 001000390 804000032 203000000 000320087

Orange 300000000 500030000 809010000 006000190 000167840 148395670 000003017 000001084 081000000

For more information: First article – Sudoku Puzzle Notation
For the solutions: Spoiler Page