C1111121111331311211331333133313331333133313231333133313331323221211211311   >>    C111112111133131121133133313331333133313331323133313331333132322121121131   <<    C1111121111331311211331333133313331333133313231333133313331323221211211313   >>      C1111121111331311211331333133313331333133313231333133313331323221211211312   >>