Solution

156633

First name
Dheetchanya Mohan
School
Coppell ISD Middle School East
Age
12
Email address
dheetchanyamohan2016@gmail.com

Is it possible to make a complete sandwich with one number between "1" cards,2 numbers between "2"cards and 3 numbers between the "3" cards?

Solution:

312132

It is also possible to make a sandwich using 1s, 2s, 3s, 4s, 5s, 6s and 7s.
Can you find an arrangement?

Solution:

41312432