Input array: 3F 3B 7B 21 30 64 15 31 orig. bits: 00111111 00111011 01111011 00100001 00110000 01100100 00010101 00110001 after inext: 00110001 00010101 01100100 00110000 00100001 01111011 00111011 00111111 bits-used: 3 8 12 1 8 16 1 2 1 12 zero-fill: 1 F9 DBD 1 21 3064 0 0 1 531 sign-fill: 1 FFFFFFF9 FFFFFDBD FFFFFFFF 21 3064 0 0 FFFFFFFF 531