Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 1
Darker method: C
Equal score: -0.399523345113
Darker point darker score: -0.226732775672
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1WRANKL1HRGYW
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3UC4JITM1QD1M
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2H4ON6BUHMY1L (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A2OF0GTKWKM2T5
darker: 1 (eq: False, dd: False), confidence: 2, worker: AGY2PTZLZFT2L
darker: 2 (eq: False, dd: True), confidence: 0, worker: AUJPYSYU7YL5
darker: E (eq: True, dd: None), confidence: 1, worker: AYPRFUHZSRQVN
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3SOJXAUQE15S3
darker: 1 (eq: False, dd: False), confidence: 2, worker: AGO9QN7UEDUYL
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3QTG4DHHV2KD6
(0: guessing, 1: probably, 2: definitely)