C11111333133313232233133313331333133313231333133313311221232331   >>    C1111133313331323223313331333133313331323133313331331122123233   <<    C11111333133313232233133313331333133313231333133313311221232333   >>      C11111333133313232233133313331333133313231333133313311221232332   >>