The flag of a newly formed forum is in the form `square square square` of three blocks, each to be coloured differently. If there are six different colours on the whole to choose from, how many such designs are possible ?

Explanation

To solve the problem of how many different designs of the flag can be created using three blocks, each colored differently from a selection of six colors, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the number of colors available**: We have a total of 6 different colors to choose from.

2. **Choose a color for the first block**: Since there are no restrictions for the first block, we can choose any of the 6 colors.
- **Choices for Block 1**: 6 ways
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