null1
null2
null3
ERROR:  Second argument needs be a non-empty point
pos|1|1
pos|2|2
pos|3|3
pos|4|4
pos|5|5
pos|6|6
pos|7|7
pos|8|8
pos|9|9
pos|10|10
pos|11|11
pos|12|12
pos|13|13
pos|14|14
pos|15|15
pos|16|16
pos|17|17
pos|18|18
pos|19|19
ERROR:  Two or more faces found
ERROR:  Two or more faces found
ERROR:  Two or more faces found
ERROR:  Two or more faces found
t1|1
t2|1
t3|9
t4|2
t5|2
t6|0
t7|11
t8|4
t9|1
t10|10
t11|10
t12|10
t13|10
t14|1
t15|12
t16|15
t17|16
t18|19
