这是我的stackblitz链接：DEMO
我有一个跨越3列的mat-grid-list。在组1下，样条曲线占据2列，饼图占据1列，并且必须彼此相邻。但是，输出不是这种情况。
该如何解决？
Required output :
Group-1
spline works! pie works!
bar works!
Group-2
route works! marker works! status works!
Group-3
trail works! striped works! nonstriped works!
Group-4
switch works! indicator works! formatted works!
nonformatted works! line works!
Group-5
bar works!