Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.977887137251
Darker point darker score: 0.0463703040956
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1PCTP576OW35H (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: AE6N096CSI5HT
darker: 1 (eq: False, dd: False), confidence: 2, worker: A106BTOUPN1KRV
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2JVJ7J2MVGW9S
darker: 2 (eq: False, dd: True), confidence: 0, worker: AGDDGSV1IQ0Z4
darker: 2 (eq: False, dd: True), confidence: 1, worker: A1WVOW92WZG8HP (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 1, worker: A2K9VAUQ9I7CLT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A7PVOM63I6UH5 (marked invalid)
(0: guessing, 1: probably, 2: definitely)