# second order packing modes table 1 0 no boustrophedonic 1 1 boustrophedonic 2 0 Reserved 2 1 Reserved 3 0 Reserved 3 1 Reserved 4 0 Reserved 4 1 Reserved 5 0 Reserved 5 1 Reserved 6 0 Reserved 6 1 Reserved 7 0 Reserved 7 1 Reserved 8 0 Reserved 8 1 Reserved