C111123313121111121111331333133313331333133313331333133312111133132322331333111   >>    C11112331312111112111133133313331333133313331333133313331211113313232233133311   <<    C111123313121111121111331333133313331333133313331333133312111133132322331333113   >>      C111123313121111121111331333133313331333133313331333133312111133132322331333112   >>