About preceeding sibling selector results of 499
91:30 66:57 39:42 111:27 39:31 42:32 47:26 58:51 48:58 52:57 70:43 105:53 152:09 50:14 97:32 83:38 59:23 57:11 85:12 55:05 62:30 63:16 57:25 53:43 72:17 122:32 94:18 59:40 69:21 64:32 72:49 72:53 74:19 92:23 155:01 105:10 163:07 74:54 79:37