customer  1 rolls 5 and 1
customer  2 rolls 2 and 3
customer  3 rolls 3 and 6
customer  4 rolls 3 and 2
customer  5 rolls 4 and 1
customer  6 rolls 1 and 3
customer  7 rolls 1 and 5
customer  8 rolls 4 and 3
customer  9 rolls 3 and 1
customer 10 rolls 3 and 3  -> free ironing!
customer 11 rolls 4 and 1
customer 12 rolls 4 and 4  -> free ironing!
winners: 2 of 12
face 1: 1014
face 2: 1020
face 3: 969
face 4: 988
face 5: 1020
face 6: 1013
