C212313222213113313112113121111331323132233133313221211111333133313331322311331   >>    C21231322221311331311211312111133132313223313331322121111133313331333132231133   <<    C212313222213113313112113121111331323132233133313221211111333133313331322311333   >>      C212313222213113313112113121111331323132233133313221211111333133313331322311332   >>