C1111121111331311211331333133313231333132213233313331323223313111   >>    C111112111133131121133133313331323133313221323331333132322331311   <<    C1111121111331311211331333133313231333132213233313331323223313113   >>      C1111121111331311211331333133313231333132213233313331323223313112   >>