Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.178537943318
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 0, worker: A2OF0GTKWKM2T5
darker: E (eq: True, dd: None), confidence: 2, worker: ATJE4JENU7IJF
darker: E (eq: True, dd: None), confidence: 2, worker: APLPGURGFU8KN
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: 2 (eq: False, dd: True), confidence: 2, worker: A3Q9S2K93W2KDI (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A32XWNZW2DQ6UZ
(0: guessing, 1: probably, 2: definitely)