C11111333133313232233133313331333133313233231331121111331312323131   >>    C1111133313331323223313331333133313331323323133112111133131232313   <<    C11111333133313232233133313331333133313233231331121111331312323133   >>      C11111333133313232233133313331333133313233231331121111331312323132   >>