SIMPLE THERMOPILES
==================

Easy (15-25 min), but has some interesting twists at the start:

       1           2 1
     6 6 7 9 9 8 4 0 1
---+-------------------+
13 |                   | 8
13 |                   | 8
 8 |                   |11
22 |                   | 8
 7 |                   | 5
 8 |                   |21
18 |                   | 7
15 |                   | 9
 9 |                   | 6
---+-------------------+
         1 2         1
     9 5 5 0 3 7 8 2 5

Easy (10-20 min), but again with some interesting twists:

       1   1          
     8 2 5 6 4 2 9 8 6
---+-------------------+
 8 |                   | 6
13 |                   |15
 9 |                   |12
12 |                   | 9
10 |                   |11
 7 |                   | 8
17 |                   |11
 5 |                   |16
20 |                   | 4
---+-------------------+
             2   1 1 1
     8 8 9 5 3 7 1 1 1

Easy-medium (20-30 mins), has some gentle head-scratching moments - and you can have a 3 in the corner as a starting move!:

       2   1     1   1
     3 2 4 3 7 9 3 5 7
---+-------------------+
 8 |                   | 8
10 |                   | 9
15 |                   |10
 9 |                   | 7
 4 |                   |21
 5 |                   |11
 7 |                   | 4
 5 |                   |15
 8 |                   | 7
---+-------------------+
           1 1 1 1 1  
     8 6 9 1 4 4 1 4 7

SHY THERMOPILES
===============
Bulb-only thermometers are not thermometers - no sum is listed around the outside for that row/column.

Tricky (50-60 mins), has some freakishly long thermos in it.

     1 1       2   1 3
     1 8 _ _ _ 1 _ 6 0
---+-------------------+
15 |                   | _
 _ |                   |12
11 |                   |14
 _ |           |       | _
 _ |          (_)      | _
10 |                   | _
 _ |                   |11
13 |                   |11
 _ |                   |17
---+-------------------+
       1   3 1        
     _ 1 _ 3 6 8 _ _ _


Easyish (20-30 minutes), has some fun tiggering between thermos.

       1   1   1   1
     8 2 _ 0 _ 6 _ 2 _
---+-------------------+
15 |                   |16
14 |                   | 9
11 |                   |19
19 |                   |15
11 |           |       | _
12 |          (_)      | _
 _ |                   | _
 _ |                   |31
 _ |                   |15
---+-------------------+
       1 1 1 1 1
     _ 7 3 1 1 1 _ _ _


Hot Legs Eleven:
----------------
Tricky (45-60 mins) - lots of tiggering between thermos, and lots of 11s.

       1 1
     9 0 3 _ _ _ _ _ _
---+-------------------+
 _ |                   | _
15 |                   | _
 _ |                   |11
 5 |                   |15
 _ |       |           | 9
13 |       |           |11
 _ |      (_)          | _
16 |                   | _
 _ |                   |22
---+-------------------+
       1 1   1     1 1
     _ 1 1 _ 8 _ _ 1 1