2 6 7 12 13 14 20 21 22 23 30 31 32 33 34 42 43 44 45 46 47 56 57 58 59 60 61 62 72

[Naru Sato]

Please solve 2 6 7 12 13 14 20 21 22 23 30 31 32 33 34 42 43 44 45 46 47 56 57 58 59 60 61 62 72 tを pを

 

[Bob Brown MSEE]

2---6 7---- 12 13 14----- 20 21 22 23------ 30 31 32 33 34------- 42 43 44 45 46 47-------- 56 57 58 59 60 61 62 72

 

[Cubist]

2---6 7---- 12 13 14----- 20 21 22 23------ 30 31 32 33 34------- 42 43 44 45 46 47-------- 56 57 58 59 60 61

62---------72
Phew, that was a close one, I was starting to get the shakes after reading your post! ?