C23131111222331311211331323111133132233132333132313331323233111   >>    C2313111122233131121133132311113313223313233313231333132323311   <<    C23131111222331311211331323111133132233132333132313331323233113   >>      C23131111222331311211331323111133132233132333132313331323233112   >>