# 0x15  HD=3  len=10  Example: Len=11 {0} (0x10) (Bits=2)
# 0x15  HD=4  len=10  Example: Len=11 {0} (0x10) (Bits=2)
# 0x15  HD=5  NONE  Example: Len=1 {0} (0x15) (Bits=4)
0x15 {10,10}
0x15 => factors	x^5+x^3+x+1    
	0x1	Prim	x+1    
	0xc	Prim	x^4+x^3+1