C1111121111331311211331333133313231333132213233313331323223313132311   >>    C111112111133131121133133313331323133313221323331333132322331313231   <<    C1111121111331311211331333133313231333132213233313331323223313132313   >>      C1111121111331311211331333133313231333132213233313331323223313132312   >>