Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -1.10687868284
Darker point darker score: 1.08098369845
darker: 1 (eq: False, dd: True), confidence: 1, worker: A3CB0SM114NJVL
darker: 1 (eq: False, dd: True), confidence: 1, worker: A2RA4A0LLQLGUW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DLY5ZY1C1A6V (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A13VIJ7G997ZCY
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3DY9JPLPQUN1O
darker: 1 (eq: False, dd: True), confidence: 2, worker: A2Q1A5H715C3EK
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 2, worker: A38TQC40K87G6I (marked invalid)
(0: guessing, 1: probably, 2: definitely)