For the first time in the Group has a selection of 2 people. Select the b 3 and select the 1 d people.Since then, they have come together talk in groups again. Cause everyone has ideas to select b.
The first in a select group of people choose a 2 b3 and choose d 1 person afterwards to talk with the group again. Everyone has ideas on how to select the corresponding b.
For the first time in a select group a 2 people choose B3 people and choose d 1 People later talk together in กลุ่มอีกครั้ง. Make everyone have matching to choose B.