not -32768 -1 32767
not -32767 -1 32766
not -2048 -1 2047
not -1023 -1 1022
not -128 -1 127
not -16 -1 15
not -8 -1 7
not -1 -1 0
not 0 -1 -1
not 1 -1 -2
not 7 -1 -8
not 15 -1 -16
not 127 -1 -128
not 1024 -1 -1025
not 2047 -1 -2048
not 32767 -1 -32768
