1 x 4 x 9 (76)
This 1x4x9 uses a 1x4x4 and a 1x4x5. It can also be solved using a 1x4x6 and 1x3x4.
1 x 4 x 10 (86)
The 1x4x10 sample shows the use of the 1x4x5 (with the 1x3x3) and another 1x4x5. It can also be solved using a 1x4x6 and a 1x4x4.
1 x 4 x 11 (54)
This 1x4x11 uses the two 1x4x4's and the 1x3x4.
1 x 4 x 12 (46)
The 1x4x12 can be made with the 1x4x4 and the 1x4x8 (with 1x3x4 within) as shown. It can also be done using a 1x4x9 with a 1x3x4.
