Red point: darker
Green point: lighter
Blue point: equal
Darker point: 1
Darker reflectance: 2
Darker method: C
Equal score: -0.20741046961
Darker point darker score: -1.07551361819
darker: 2 (eq: False, dd: False), confidence: 2, worker: A2AAWTFFL0ZXEK (marked invalid)
darker: E (eq: True, dd: None), confidence: 1, worker: A1KF93C9NTOP42
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3HH4LW4MMVHE1
darker: 2 (eq: False, dd: False), confidence: 1, worker: A261AMC0EJ9MD8
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3U9P1A6E2WFAR
darker: 2 (eq: False, dd: False), confidence: 2, worker: A37JK3E3WOIGG2
darker: 2 (eq: False, dd: False), confidence: 2, worker: A1NO4LG6KGOGFD
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3O8YXPG1HGUH0
darker: 2 (eq: False, dd: False), confidence: 2, worker: A6KUVG49ZZ40M (marked invalid)
darker: 2 (eq: False, dd: False), confidence: 2, worker: A3GTIIFSMHAKRZ
(0: guessing, 1: probably, 2: definitely)