TDSM 10.9

The labels are black and red. The ten points are:

(1.9, 1): black

(2.1, 1): red

(1.9, 2): black

(2.1, 2): red

(1.9, 3): black

(2.1, 3): red

(1.9, 4): black

(2.1, 4): red

(1.9, 5): black

(2.1, 5): red