C1111121111331311211331333133313331333133313231333133313331333223132311   >>    C111112111133131121133133313331333133313331323133313331333133322313231   <<    C1111121111331311211331333133313331333133313231333133313331333223132313   >>      C1111121111331311211331333133313331333133313231333133313331333223132312   >>