C1111121111331311211331333133313331333133313231323133313331322331322321   >>    C111112111133131121133133313331333133313331323132313331333132233132232   <<    C1111121111331311211331333133313331333133313231323133313331322331322323   >>      C1111121111331311211331333133313331333133313231323133313331322331322322   >>