C1111121111331311211331333133313331333133313231333133313331323221213233211   >>    C111112111133131121133133313331333133313331323133313331333132322121323321   <<    C1111121111331311211331333133313331333133313231333133313331323221213233213   >>      C1111121111331311211331333133313331333133313231333133313331323221213233212   >>