Decoder

## Description

_Decoder_ is a form of Mastermind game in which the player needs to find the
right sequence of colors. The game has three game modes: Mini, Standard and
Super. In the mini mode the player needs to find the right four color sequence
out of six possible colors and this must be done in 6 tries. In the super mode
the player needs to find right five color sequence out of eight colors and
this must be done in 12 tries.

Right color in the wrong place is indicated on the side of the board by a
white dot and right color in the right spot is indicated by a black dot.

Decoder