C111123313121111121111331333133313331333133313331333133313331323212331311   >>    C11112331312111112111133133313331333133313331333133313331333132321233131   <<    C111123313121111121111331333133313331333133313331333133313331323212331313   >>      C111123313121111121111331333133313331333133313331333133313331323212331312   >>