C111123313121111121111331333133313331333131233133313121111132313331323211131   >>    C11112331312111112111133133313331333133313123313331312111113231333132321113   <<    C111123313121111121111331333133313331333131233133313121111132313331323211133   >>      C111123313121111121111331333133313331333131233133313121111132313331323211132   >>