col1	45	005 45 works
col1	44	006 44 Fails 0xa5
col1	45	006 45 Fails 0xa6
col1	45	006 45 Fails using escape 0xa6
col1	46	006 46 Fails 0xa7
col1	47	006 47 Fails 0xa8
col1	4T works	006 followed by 4 works ? why
