Quick Circles Mystery Quilt: part one

Background:
2 strips 4 1/2" by width of fabric
4 strips 2 1/2" by width of fabric

Medium:
1 strip 6 1/2" by width of fabric
1 strip 2 1/2" by width of fabric

Dark:
1 strip 6 1/2" by width of fabric
1 strip 2 1/2" by width of fabric

Sew strata sets as follows:

#1
4 1/2" background
2 1/2" medium
2 1/2" background

#2
2 1/2" background
6 1/2" dark

#3
6 1/2" medium
2 1/2" background

#4
2 1/2" background
2 1/2" dark
4 1/2" background

Countercut each strata into 2 1/2" slices. Sew slices together in 1,2,3,4 order to make one square. Repeat to make 16 squares. Stay tuned to see what comes next!!