C23131111222331311211331323111133132233132313331323331323221212231   >>    C2313111122233131121133132311113313223313231333132333132322121223   <<    C23131111222331311211331323111133132233132313331323331323221212233   >>      C23131111222331311211331323111133132233132313331323331323221212232   >>