C1111121111331311211331333133313231333132213233313331323221322311   >>    C111112111133131121133133313331323133313221323331333132322132231   <<    C1111121111331311211331333133313231333132213233313331323221322313   >>      C1111121111331311211331333133313231333132213233313331323221322312   >>