Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 1
Darker method: C
Equal score: -0.139401459268
Darker point darker score: 0.911159567524
darker: 1 (eq: False, dd: True), confidence: 1, worker: AW0K78T4I2T72
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3BCQQ7TPUO8Q2 (marked invalid)
darker: 1 (eq: False, dd: True), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 1 (eq: False, dd: True), confidence: 0, worker: A1QXQBZE7ROQ4F
darker: E (eq: True, dd: None), confidence: 1, worker: A3799NWTIYKCEV
darker: E (eq: True, dd: None), confidence: 2, worker: AU4FF0366TBAR (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: AJSZEUBV1O00K (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1IOJ2LGMGISYM
(0: guessing, 1: probably, 2: definitely)