C212313222213113313112113121111331323132233133313231323232132231   >>    C21231322221311331311211312111133132313223313331323132323213223   <<    C212313222213113313112113121111331323132233133313231323232132233   >>      C212313222213113313112113121111331323132233133313231323232132232   >>