C111123313121111121111331333132313331333133313231333131133122321333131   >>    C11112331312111112111133133313231333133313331323133313113312232133313   <<    C111123313121111121111331333132313331333133313231333131133122321333133   >>      C111123313121111121111331333132313331333133313231333131133122321333132   >>