This is an incorrect table

this is a table data1
name year hour
name hour

This is a correct table

this is a table data1 data2
name year hour
name year hour

This is a span table

column span data1
name row span hour
name hour

this is a nested table layout

This is a nested table
this is a table data1 data2
name year hour
name year hour
this is a table data1 data2
name year
this is a table data1 data2
name year hour
name year hour
name year hour
This is a table
data1 data2 data3 data4
data1 data2 data3 data4
data1 data2 data3 data4
data1 data2 data3 data4
data1 data2 data3 data4
data1 data2 data3 data4
data1 data2 data3 data4
total