C111123313121111121111331333133313331333131233133313221323132112323131   >>    C11112331312111112111133133313331333133313123313331322132313211232313   <<    C111123313121111121111331333133313331333131233133313221323132112323133   >>      C111123313121111121111331333133313331333131233133313221323132112323132   >>