C1111121111331311211331333133313331323132322331311331323221233132233231   >>    C111112111133131121133133313331333132313232233131133132322123313223323   <<    C1111121111331311211331333133313331323132322331311331323221233132233233   >>      C1111121111331311211331333133313331323132322331311331323221233132233232   >>