C312312111111331312111133133313231333133313112331323223313231322121111332221   >>    C31231211111133131211113313331323133313331311233132322331323132212111133222   <<    C312312111111331312111133133313231333133313112331323223313231322121111332223   >>      C312312111111331312111133133313231333133313112331323223313231322121111332222   >>