min0y0minx00minsxsysminxymax0yymaxx0xmaxsxsysmaxxytwice00twicesxsstwicex-x0x-sxsy-xypsxxfsxsyf-maxsxsyminsxsyptwiceminxyminsxsyminxymaxsxsymaxxytwicesxtwicex-sxsy-xyfsxsyminxyfsxsytwiceminxyfsxsyptwiceminxyfsxsyminsxsyfsxsymaxsxsyfsxsy-maxsxsyminsxsyfsxsyf-maxsxsyminsxsyptwiceminxytruefsxsyf-maxsxsyminsxsyptwiceminxytruefsxsy-maxsxsyminsxsyfalse-sxsy-xytrue-22fsxsymaxsxsyfalsemaxsxsymaxxytruemax22fsxsyminsxsyfalsefsxsyptwiceminxyfalsefsxsytwiceminxyfalsetwicesxtwicextruetwice11fsxsyminxyfalseminsxsyminxytruemin22