{
"invalid_characters": [
"ATCGXATCGATCGATCGATCGATC",
"ATCGATCGATCGATCGATCGATCN",
"ATCGATCGATCGATCGATCGATCB",
"ATCGATCGATCGATCGATCGATC123",
"ATCGATCGATCGATCGATCGATC!"
],
"wrong_lengths": [
"",
"A",
"AT",
"ATCG",
"ATCGA",
"ATCGAT"
],
"lowercase": [
"atcgatcgatcgatcgatcgatc",
"ATCGatcgATCGatcgATCGATC",
"atcgATCGatcgATCGatcgATCG"
],
"mixed_with_whitespace": [
"ATCG ATCG ATCG ATCG",
"ATCGATCGATCGATCGATCG ",
" ATCGATCGATCGATCGATCGATC",
"ATCGATCGATCGATCGATCGATC\n"
],
"description": "Invalid sequences for testing error handling"
}