Produce a wait for graph for following transaction scenerio and determine whether deadlock exists

Transactions Data items locked by Data item transaction is waiting for

transaction

T$1$ X$1,$ X$2$ X$3$

T$2$ X$3,$ X$4$ X$5$

T$3$ X$5$ X$10$

T$4$ X$10$ X$1$

T$5$ X$6,$ X$7$ X$4,$ X$3$

T$6$ X$9$ X$7,$ X$8$

T$7$ X$11$ X$3$

T$87$ X$8$ X$9,$ X$11$