C1111121111331311211331333133313331322133313331311331333132233132232112321   >>    C111112111133131121133133313331333132213331333131133133313223313223211232   <<    C1111121111331311211331333133313331322133313331311331333132233132232112323   >>      C1111121111331311211331333133313331322133313331311331333132233132232112322   >>