C312312111111331312111133133313331333133322331333133311233131111211   >>    C31231211111133131211113313331333133313332233133313331123313111121   <<    C312312111111331312111133133313331333133322331333133311233131111213   >>      C312312111111331312111133133313331333133322331333133311233131111212   >>