Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: E
Darker method: C
Equal score: 0.256397994866
Darker point darker score: not computed since the judgement is "E"
darker: 2 (eq: False, dd: True), confidence: 2, worker: AMV1QZDL5K6PG
darker: E (eq: True, dd: None), confidence: 2, worker: A235ULDV4XUVDM
darker: E (eq: True, dd: None), confidence: 1, worker: A1EY3KWGUA9A1N
darker: E (eq: True, dd: None), confidence: 2, worker: A22BAUES1TIZS6
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3RLTUXIM8TU3K (marked invalid)
darker: 1 (eq: False, dd: False), confidence: 2, worker: A3B7AUU8YUZ4PZ (marked invalid)
darker: E (eq: True, dd: None), confidence: 2, worker: A1NM7ZPZ3NH412
(0: guessing, 1: probably, 2: definitely)