2FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
3FR
1FR
2FR
With out any column gap alignment is fine.
2FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
1FR
3FR
1FR
2FR
With span instead of FR
SPAN 4
span 2
1FR
1FR
1FR
span 3
span 3
span 3
span 3
span 3
1FR
span 2