(e) Simple Diagonal:

A B D G K OG K O S V XO K G D B AX V S O K G
C E H L P SD H L P T WS P L H E CW T P L H D
F I M Q T VB E I M Q UV T Q M I FU Q M I E B
J N R U W XA C F J N RX W U R N JR N J F C A
A C F J N RJ N R U W XR N J F C AX W U R N J
B E I M Q UF I M Q T VU Q M I E BV T Q M I F
D H L P T WC E H L P SW T P L H DS P L H E C
G K O S V XA B D G K OX V S O K GO K G D B A

(f) Alternate Diagonal:

A B F G N OG N O U V XO N G F B AX V U O N G
C E H M P UF H M P T WU P M H E CW T P M H F
D I L Q T VB E I L Q SV T Q L I DS Q L I E B
J K R S W XA C D J K RX W S R K JR K J D C A
A C D J K RJ K R S W XR K J D C AX W S R K J
B E I L Q SD I L Q T VS Q L I E BV T Q L I D
F H M P T WC E H M P UW T P M H FU P M H E C
G N O U V XA B F G N OX V U O N GO N G F B A

(g) Spiral, clockwise:

A B C D E FL M N O P AI J K L M ND E F G H I
P Q R S T GK V W X Q BH U V W X OC R S T U J
O X W V U HJ U T S R CG T S R Q PB Q X W V K
N M L K J II H G F E DF E D C B AA P O N M L

(h) Spiral, counter clockwise:

A P O N M LN M L K J II H G F E DF E D C B A
B Q X W V KO X W V U HJ U T S R CG T S R Q P
C R S T U JP Q R S T GK V W X Q BH U V W X O
D E F G H IA B C D E FL M N O P AI J K L M N