Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.890141186525
Darker point darker score: 0.931246377436
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1W8FA5GSFY60C
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2RLY0MUZQ1R1G (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AUD2Y1IOZ0GN4 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2CXAWVGQ6QQ2V
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1NF6PELRKACS9
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2G053HOWRCZZ6 (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1D2E3QRL7O43T
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NUDHU0ZTFI8H (marked invalid)
(0: guessing, 1: probably, 2: definitely)