C111123313121111121111331333133313331333133313121111331331121111331322331321   >>    C11112331312111112111133133313331333133313331312111133133112111133132233132   <<    C111123313121111121111331333133313331333133313121111331331121111331322331323   >>      C111123313121111121111331333133313331333133313121111331331121111331322331322   >>