SQL & PL/SQL :: Transposing Column To Rows Along With Header?

i need to transpose a column to rows.

CREATE TABLE TEST(c1 VARCHAR(10),c2 VARCHAR(2),t1 NUMBER,t2 NUMBER);

INSERT INTO TEST VALUES('a','a',1,2);
INSERT INTO TEST VALUES('b','b',2,3);
INSERT INTO TEST VALUES('c','c',7,6);
INSERT INTO TEST VALUES('d','d',2,2);

Actual output.
C1C2T1T2
aa12
bb23
cc76
dd22

I need the output in this format
C1C2C3C4
aaT11
aaT22
bbT12
bbT23
ccT17
ccT26
ddT12
ddT22

ie the header t1 and t2 has to come in the output along with the corresponding values it has.the number of column as T1,T2 will be dynamic cannot predict before.