C312312111111331312111133133313331333133322331333133313332223133311322131   >>    C31231211111133131211113313331333133313332233133313331333222313331132213   <<    C312312111111331312111133133313331333133322331333133313332223133311322133   >>      C312312111111331312111133133313331333133322331333133313332223133311322132   >>