Red point: darker
Green point: lighter
Blue point: equal
Darker point: 2
Darker reflectance: 2
Darker method: C
Equal score: -0.29135885616
Darker point darker score: 0.902872874271
darker: 2 (eq: False, dd: True), confidence: 1, worker: ABWVRVG5B5OMX (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 1, worker: A3JB8CDV1SF2TH
darker: E (eq: True, dd: None), confidence: 2, worker: A1XA2WJ50VR7KQ (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A47MKFPE4RROA (marked invalid)
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1CV8APDA7Y2PI
darker: 2 (eq: False, dd: True), confidence: 2, worker: A1136V0RZUR5TO
darker: 2 (eq: False, dd: True), confidence: 2, worker: A2A42CU48PN8CX
darker: E (eq: True, dd: None), confidence: 1, worker: AMDW925P9IY2O
(0: guessing, 1: probably, 2: definitely)