C23131111222331311211331323111133132233132333132313331323132323231   >>    C2313111122233131121133132311113313223313233313231333132313232323   <<    C23131111222331311211331323111133132233132333132313331323132323233   >>      C23131111222331311211331323111133132233132333132313331323132323232   >>