C111113331333132322331333133313331333133313121111331333132313331333133312222311   >>    C11111333133313232233133313331333133313331312111133133313231333133313331222231   <<    C111113331333132322331333133313331333133313121111331333132313331333133312222313   >>      C111113331333132322331333133313331333133313121111331333132313331333133312222312   >>