C111123313121111121111331333133313331322121111331333133313132131   >>    C11112331312111112111133133313331333132212111133133313331313213   <<    C111123313121111121111331333133313331322121111331333133313132133   >>      C111123313121111121111331333133313331322121111331333133313132132   >>