Table:
Dog	Weight change (oz.)

Sprinkles	5

Champ	-6

Examine the given table and locate the cells that contain the following values:
1. '5'
2. 'Sprinkles'
3. 'Champ'
4. '-6'
Return the cell locations using the JSON format {'value': '<cell value>', 'location': (row number, column number)}, where both row and column number commence from 1. If a cell does not exist in the table, denote its location as 'DOES NOT EXIST'.

The coordinates of target cells are listed below.
1. {'value': '5', 'location': (2, 2)}
2. {'value': 'Sprinkles', 'location': (2, 1)}
3. {'value': 'Champ', 'location': (3, 1)}
4. {'value': '-6', 'location': (3, 2)}