Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.932255622963
Darker point darker score: 0.970219622219
darker: 1 (eq: False, dd: True), confidence: 2, worker: A9Y1HKUEOOEPM
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2XU16B4I9XQG5 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3RZMD0GPKZBJ5
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3R5MEKMYYM2JX
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1WVOW92WZG8HP (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A23RB1Y4ANXQLS
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3JJAFR9BRLG0
(0: guessing, 1: probably, 2: definitely)