About undo results of 512
56:50 76:29 31:02 82:32 37:51 60:10 49:25 61:32 45:57 130:04 142:04 134:22 61:22 134:22 68:00 165:04 43:28 48:29 52:56 39:43 113:01 193:18 85:39 70:30 57:45 65:22 44:31 47:39 56:47 49:14 62:55 51:39 59:56 98:36 97:32 68:50 50:03 59:07 53:54 89:09 61:11 69:49 81:30 71:49 56:42 79:18