minimal number of covering edges

abnormalcies adder stone anti-sweep mine business technology Clerodendron cyrtophyllum Turcz. concoct various pretexts condensing ring Corrientes R. crow fire-polish first speed gear houx isopyrum adoxoides dc. knolllite para-substituents propyl-trimethylsilicane spacecraft atmosphere Spieringshoek Trypanosoma macrocanum weight-average molar mass