The arms of Baron Griffiths of Fforestfach are " Paly of four Vert and Argent per fess enhanced indented of two points upwards each point double barbed throughout issuing in base a pile double barbed throughout all counterchanged ".
22.
In Scots heraldry, a charge may be blazoned as counterchanged of different colours from the field; e . g ., " Per fess gules and azure, a sun in splendour counterchanged Or and of the first ."
23.
In Scots heraldry, a charge may be blazoned as counterchanged of different colours from the field; e . g ., " Per fess gules and azure, a sun in splendour counterchanged Or and of the first ."
24.
Any of these patterns may be counterchanged by the addition of a division line; for example, " barry argent and azure, counterchanged per fess " or " checquy Or and gules, counterchanged per chevron ".
25.
Any of these patterns may be counterchanged by the addition of a division line; for example, " barry argent and azure, counterchanged per fess " or " checquy Or and gules, counterchanged per chevron ".
26.
Any of these patterns may be counterchanged by the addition of a division line; for example, " barry argent and azure, counterchanged per fess " or " checquy Or and gules, counterchanged per chevron ".
27.
The arms Gregory adopted were those borne by his father when Earl of Essex; quarterly, per fess, indented, azure and or, four lions passant counterchanged and his motto, " " Faire mon devoir " ".
28.
For an M by N grid of 0s and ls ( of which there are 2 ^ ( M * N ) ), define a legal counterchanged grid if it can be formed by inverting a series of entire rows and / or columns.
29.
Similarly to counterchanging, if multiple charges appear in two opposing divisions of the field, they may be blazoned " countercoloured ", meaning that the charges in a division of the field bear the colour of the opposing division of the field.
30.
The heraldic blazon is : " Quarterly, 1st and 4th, paly of six Or and Sable, a bend counterchanged ( for Calvert ); 2nd and 3rd, quarterly argent and gules, a cross bottony counterchanged ( for Crossland ) ."