C11111333133313232233133313331333133313223313331323132233133312323231   >>    C1111133313331323223313331333133313331322331333132313223313331232323   <<    C11111333133313232233133313331333133313223313331323132233133312323233   >>      C11111333133313232233133313331333133313223313331323132233133312323232   >>