C1111121111331311211331333133313231333132213233313331323221323311211   >>    C111112111133131121133133313331323133313221323331333132322132331121   <<    C1111121111331311211331333133313231333132213233313331323221323311213   >>      C1111121111331311211331333133313231333132213233313331323221323311212   >>