C11111333133313232233133313331333133313332313331121131211332221   >>    C1111133313331323223313331333133313331333231333112113121133222   <<    C11111333133313232233133313331333133313332313331121131211332223   >>      C11111333133313232233133313331333133313332313331121131211332222   >>