C 2

C 2C 2C 2C 2
C 2C 2C 2C 2C 2C 2C 2C 2
C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2
C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2C 2
C 2C 2C 2C 2C 2C 2C 2C 2