Historic coat of arms of (central) Croatia, white square first. For the version with the first red square, see this file. (In heraldry the first means the rightmost in reality (where your right arm points). Description (blason) is checquy argent and gules (NOT gules and argent). For the majority of time the order were as stated here. When applying the rule of the right hand we can always repeat the same pattern. In cases where the number of the squares (of every row) is even starting (rightmost) square would be white and ending (leftmost) square would be red. When odd number of squares is in question we have either white rightmost and white leftmost or red rightmost and red leftmost square. There is even a testimony of Nikša Stančić that he has ommited that rule to the first president of Croatia (after the fall of the Berlin wall) in order not to make difficult the choice to then president Franjo Tuđman (which decided that the modern CoA would have first and fifth square red).)
Own work by the original uploader (Original text: http://www.crwflags.com/fotw/flags/hr).html)

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