Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.201872690981
Darker point darker score: 0.151858051899
darker: 2 (eq: False, dd: True), confidence: 0, worker: A18YH2N9M2P95T (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A2LT5VXO2LS0UL
darker: 1 (eq: False, dd: False), confidence: 0, worker: A3PHP9TTAVN4Y4
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1KITOCUU7GERN
darker: E (eq: True, dd: None), confidence: 1, worker: A287QNZ2AOSKPT
darker: 2 (eq: False, dd: True), confidence: 2, worker: A5A5THR7ITRBA
(0: guessing, 1: probably, 2: definitely)