1wyckoffs: 2- "b" 3- "b" 4- "b" 5- "b" 6- "b" 7- "b" 8- "b" 9- "b" 10- "b" 11- "b" 12- "b" 13- "b" 14- "a" 15- "a" 16- "b" 17- "b" 18- "b" 19- "b" 20- "a" 21- "a" 22- "b" 23- "b" 24- "b" 25- "b" 26- "b" 27- "b" 28- "b" 29- "b" 30- "b" 31- "b" 32- "b" 33- "b" 34- "b" 35- "b" 36- "b" 37- "b" 38- "a" 39- "a" 40- "a" 41- "a" 42- "b" 43- "b" 44- "b" 45- "b" 46- "b" 47- "b" 48- "b" 49- "b" 50- "b" 51- "b" 52- "b" 53- "b" 54- "b" 55- "b" 56- "b" 57- "b" 58- "b" 59- "b" 60- "b" 61- "b" 62- "b" 63- "b" 64- "b" 65- "b" 66- "b" 67- "b" 68- "b" 69- "b" 70- "b" 71- "b" 72- "b" 73- "b" 74- "b" 75- "b" 76- "b" 77- "b" 78- "b" 79- "b" 80- "b" 81- "b" 82- "b" 83- "b" 84- "b" 85- "b" 86- "b" 87- "b" 88- "b" 89- "b" 90- "b" 91- "b" 92- "b" 93- "b" 94- "b" 95- "b" 96- "b" 97- "b" 98- "b" 99- "b" 100- "b" 101- "b" 102- "b" 103- "b" 104- "b" 105- "b" 106