Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.886234032058
Darker point darker score: 0.164576166549
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2TEWO3WJ5YKGG (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: AGO9QN7UEDUYL
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1A50D6DABL6IK
darker: 1 (eq: False, dd: False), confidence: 2, worker: A1S7UPUHFVXX4Z
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3NWQ0535HAXUD
darker: 1 (eq: False, dd: False), confidence: 2, worker: A36XRHW6R8MU0C
darker: 1 (eq: False, dd: False), confidence: 1, worker: AU4FF0366TBAR (marked invalid)
(0: guessing, 1: probably, 2: definitely)