ex 1 ---------------------------2-2-2-2-------5-2-------------------- -------------5-5-5-5-----4-------------3------------------------ -6-6-6-----4-----------2-------------2-------------------------- ---------7------------------------------------------------------ -------4-------------3-------------2---------------------------- ---------------------------------------------------------------- ex 2 ----------9------9---9-------7-7-7\-----4------4---------------- -7-7-7---------7---8------7------------------0--------6--------- -------------7----------7------------------6----------7--------- ------------------------------------------------------6--------- -------------------------------------0-------------7------------ -------0-----------------------------------------0-------------- Ex 3 ---------7-7-7-7\----5-----2-2-2---5-----5-----2---------------- -5-5-5------------------4--------------3-----3------------------ ------------------------2------------2-----2-------------------- ---------------------------------------------------------------- -------4-----------3-------------2------------------------------ ---------------------------------------------------------------- Ex 4 ---------5------5-5-5-5--------4--------------4----------------- -7-7-7--------7--------------6----5-5-5-----5------------------- ------------7--------------7--------------4--------------------- ---------------------------------------------------------------- ----------------------------------------0----------------------- -------0-----------------0-------------------------------------- Ex 5 ---------------------2---2-2-2----5------5-----2-2-2-2---9------ ---------5-----5-----------------------3-----3---------------7-- -6-6-6-------4---------2-------------2-----2---------------7---- -----------7---------------------------------------------------- -------4----------3------------2-------------------------------- -------------------------------------------------------0-------- ---------7-6-7/---12-------------------------------------------- ---8---9---------------0---0---------2-------------------------- -7---7---------------0---0---0-----0---------------------------- ---------------------------------2------------------------------ -------------------------------0-------------------------------- ----------------0----------------------------------------------- Ex 6 -12-14-12\---------------------------9-----------------0--0--0-- -----------------10-10-10-10------10---10\--6---0------2-------- --------------11---------------10------------------2---0-------- ------------0----------------0---------------------2------------ ----------------------------------------------0------1---------- ---------------------------------------------------------------- ---2------2-2-2---9-----9-----9-9-9---5------------------------- -------3--------------7-----9-------------0--------------------- -----2--------------7-----7-------------6----------------------- ---------------------------------------------------------------- -2----------------------------------0--------------------------- ----------------0----------------------------------------------- Ex 7 -12-14-12---12-------10------------10----10----10-9------------- ------------------10----10----10--------------------10-------2-- ---------------11-----------10--10----10-------------------3---- ----------0----------------0-----------------------------2------ ---------------------------------------------0------------------ -------------------------------------------------------2-------- -9/10-9----9-----7---------------9\7---7-----5------------------ ---------------7---7----------5------------5-------------------- -------------7--------------7------------6---------------------- --------------------------6------------------------------------- ------------------------7------------0-------------------------- ---------7------------0-----------------------------------------