Four friends A,B,C and D are celebrating Christmas together. More info:

Mathematics
Tutor: None Selected Time limit: 1 Day

Each brought 3 different presents: One for each of their friends.

 In how many ways can they arrange the presents in the form of a circle around the Christmas tree, if the presents for every person are placed one next to another? 

Thanks for your help!

Dec 25th, 2014

each person brought 3 gifts therefore total 12 gifts are there 

It can be arranged in a Circle by 11! ways =39916800 possible ways of arranging 

Dec 25th, 2014

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