Please note that merging is unavailable under the below conditions.😊

1. When the Dians are not the same type.
- Only the same type of Dians can be merged.

2. When the dot count is not equal.
- Only the Dians with an equal number of dot count can be merged.

3. When the Dians' dot count is already six.
In , the highest number of available dot counts is six.
Hence, merging a Dian with a six dot count is unavailable.

※ Exceptions
- Mimic Dian can be merged with a different type of Dian.
- Mimic Dian can be merged only with an equal number of dot count.