C11111333133313232233133313331333133313332322331331121111112211232323231   >>    C1111133313331323223313331333133313331333232233133112111111221123232323   <<    C11111333133313232233133313331333133313332322331331121111112211232323233   >>      C11111333133313232233133313331333133313332322331331121111112211232323232   >>