Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: E
Darker method: C
Equal score: 0.0324468157047
Darker point darker score: not computed since the judgement is "E"
darker: E (eq: True, dd: None), confidence: 2, worker: A3QTG4DHHV2KD6
darker: 1 (eq: False, dd: True), confidence: 2, worker: A3163PFOUKXQKA
darker: E (eq: True, dd: None), confidence: 0, worker: A2Q27LZW3VNDIP
darker: 2 (eq: False, dd: False), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A3GFISRU6V2MG5
darker: E (eq: True, dd: None), confidence: 2, worker: A1WP5F7NLRWLKW
darker: 1 (eq: False, dd: True), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A1DDY93NB8NESD
darker: E (eq: True, dd: None), confidence: 2, worker: A2VVSQ1PSXKGVE
(0: guessing, 1: probably, 2: definitely)