pcrn// start// [[2,0]]// end// pcr1k// start// [[-1.4642,4.3617],[-1.4816,0.0001]]// end// pcr1c// start// [[-1.4642,3.0117],[-1.4642,1.5578]]// end// pcr2k// start// [[-1.7654,4.3962],[0.3658,4.3899],[0.3704,2.1982],[-1.4816,2.1982]]// end// pcr2c// start// [[-1.1236,4.3899],[0,4.3899]]// end// start// [[1.8552,4.3638],[1.7769,2.2211]]// end// start// [[0.0242,2.1982],[-0.72,2.1982]]// end////