I found the thread at
www.airliners.net
here is the data posted by a FA. for the B773
Cabin A - 24 J Suites Rows 1 - 6
Cabin B - 18 J Suites Rows 7 -11
Cabin C - 68 Y Seats Rows 18-25
3-3-3 Except Rows 18 & 25 2-3-2
Cabin D -120Y Seats Rows 30-43
3-3-3 Except Row 30 3 Centre seats only
Cabin E -119Y Seats Rows 50-63
3-3-3 Except Rows 62 & 63 2-3-2