C111123313121111121111331333133313331333133313331333132313331333131323112131   >>    C11112331312111112111133133313331333133313331333133313231333133313132311213   <<    C111123313121111121111331333133313331333133313331333132313331333131323112133   >>      C111123313121111121111331333133313331333133313331333132313331333131323112132   >>