C1111233133313231133133313331333133311221123121111331333133313331311321131211   >>    C111123313331323113313331333133313331122112312111133133313331333131132113121   <<    C1111233133313231133133313331333133311221123121111331333133313331311321131213   >>      C1111233133313231133133313331333133311221123121111331333133313331311321131212   >>