040000 tree a68306dcd373fc4017174c3e4d3a0fa2cff3ab3e	cubic
040000 tree 8596d53cc958fd6592acb19f3f9a8de8b700319f	quadratic
100644 blob 70130f33974b541fa081a0addf5e7690a3b812c4	test_even_odd_fill.pgm
100644 blob 698f6424e3ce23a7523326962881faf650c3c920	test_non_zero_fill.pgm
100644 blob 14edd9fc809faa6dbba9a6b993b7eebea30af598	test_rotate.pgm
100644 blob 5ba4a067195f3400330f4646dbfbc8091b99b8dc	test_skew.pgm