π 1 +

π 2 +

π 3 +

π 1

π 2

π 3

π 1 +

( π 1 + , π 1 + ) R

( π 1 + , π 2 + )

( π 1 + , π 3 + )

( π 1 + , π 1 )

( π 1 + , π 2 )

( π 1 + , π 3 )

π 2 +

( π 2 + , π 1 + ) B

( π 2 + , π 2 + ) R

( π 2 + , π 3 + )

( π 2 + , π 1 )

( π 2 + , π 2 )

( π 2 + , π 3 )

π 3 +

( π 3 + , π 1 + ) B

( π 3 + , π 2 + ) B

( π 3 + , π 3 + ) R

( π 3 + , π 1 )

( π 3 + , π 2 )

( π 3 + , π 3 )

π 1

( π 1 , π 1 + ) G

( π 1 , π 2 + ) Y

( π 1 , π 3 + ) Y

( π 1 , π 1 ) R

( π 1 , π 2 )

( π 1 , π 3 )

π 2

( π 2 , π 1 + ) Y

( π 2 , π 2 + ) G

( π 2 , π 3 + ) Y

( π 2 , π 1 ) B

( π 2 , π 2 ) R

( π 2 , π 3 )

π 3

( π 3 , π 1 + ) Y

( π 3 , π 2 + ) Y

( π 3 , π 3 + ) G

( π 3 , π 1 ) B

( π 3 , π 2 ) B

( π 3 , π 3 ) R