Rounds:
If all the rules do not allow it, then do not display it:

The number in the column of the rule
is the round in which the rule is violated.

rule0
The color difference is from -1 to 1
(or else if in the previous even round number
and the color difference is 0).

rule1
The color difference is from -2 to 2,
and the same continuous colors not greater than 2.

rule2
The color difference is from -2 to 2,
and the same continuous colors greater than 2
only if the color difference is from -1 to 1
(or else if in the previous even round number
the color difference is 0).

rule3
Not the same continuous colors greater than 2.

rule4
Before the last round,
the color difference is from -2 to 2,
and the same continuous colors not greater than 2.

rule5
The color difference is from -2 to 2.