我的一個 Group 中其 Detail 資料有 20 列(纵列)
但我希望 只印 10 列就換頁,下一頁印完兩列後 再換頁印下一個Group 
請問我該如何做呢 ?? thanks ! 
举例:将report1 拆成report2 和 repot3
report1:column1 | column2 | ... | column20
-----------------------------------
value1 | value2 |... |value20
-----------------------------------     =
........|..........|.....|.......
-----------------------------------
===================================
report2:column1 | column2 | ... | column10
-----------------------------------
value1 |value2 |... |value10
-----------------------------------     +
........|.........|.....|.......
-----------------------------------
=====================================
report3:column11 | column12 | ... | column20
-----------------------------------
value11 |value12 |... |value20
----------------------------------- 
.........|..........|.....|.......
-----------------------------------