From a 2 x 8 Matrix.
Split the 2 x 8 Matrix into two 2 x 4 Matrices.
Work in the 2 x 4 on each side.
 Work with these positions for Split Phantom Boxes 

Notes:

Split Phantom Boxes are similar to
Split Phantom Columns Lines  Waves [C3A]
except that the adjacent 2 x 4 formations are endtoend instead
of centertocenter.

As in Split Phantom Columns  Lines  Waves you must stay on your own
half of the set when doing a call in your Split Phantom Boxes.

Imagine there is a brick wall dividing the two halves of the set.
This may help prevent you from crossing over into the
other half of the set.

Historically, Split Phantom Boxes have also been known as
Split Phantom Twin Boxes and
Divided Phantom Columns  Lines  Waves.
Split Phantom formations CONCEPT [C4]:
From a Phantom Formation consisting of 16 spots.
Divide the 16spot formation into four subformations of 4 spots each.
Do this by drawing an imaginary circle around each subformation.
The circles should not intersect, and the orientation of
the 4 circles should be in a straight line, such as ABCD where A, B, C,
and D each represent a group of four spots.
 For Split Phantom formations, two adjacent groups
(i.e., AB and CD) work together in an 8spot formation.
 For Interlocked Phantom formations, onceremoved groups
(i.e, AC and BD) work together in an 8spot formation.
 For Phantom formations, concentric groups
(i.e., AD and BC) work together in an 8spot formation.
 Split Phantom Boxes [C3B] 

 Interlocked Phantom Boxes [C4] 

 Phantom Boxes [C4] 

 Split Phantom Diamonds [C3B] 

 Interlocked Phantom Diamonds [C4] 

 Phantom Diamonds [C4] 
