i4 : b = x_(1,2)*x_(1,1)*e_(2,{2},1)+x_(2,2)*x_(2,1)*e_(2,{1},2);
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i6 : describe C
o6 = 0: Module: Basis symbol: e0
Basis element widths: {2}
Degree shifts: {-2}
Polynomial OI-algebra: (2, x, QQ, RowUpColUp)
Monomial order: Lex
Differential: Source: (e0, {2}, {-2}) Target: (e, {1, 1}, {0, 0})
1: Module: Basis symbol: e1
Basis element widths: {4, 4}
Degree shifts: {-4, -4}
Polynomial OI-algebra: (2, x, QQ, RowUpColUp)
Monomial order: Lex
Differential: Source: (e1, {4, 4}, {-4, -4}) Target: (e0, {2}, {-2})
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