C23131111222331311211331323111133132233132313331323331323231322321   >>    C2313111122233131121133132311113313223313231333132333132323132232   <<    C23131111222331311211331323111133132233132313331323331323231322323   >>      C23131111222331311211331323111133132233132313331323331323231322322   >>