Gazaly you promised this is truly logical.OK so no messing up.Tricking us.Telling a criminal act involved and BS. :P
Api ithin gamath galle vadath puluvan ne.:D
ANSWER.
situation 1-2,3 wear same colour
1st one can see 2,3.Since there is 2 black and 2 white if 2,3 wear the same colour, 1st one...