# not base32
3jzfcijpj2z21
0000000000000
# case-sensitive
3JZFCIJPJ2Z2A
# too long/short
3jzfcijpj2z2aa
3jzfcijpj2z2
222
# old dashes syntax not actually supported (TTTT-TTT-TTTT-CC)
3jzf-cij-pj2z-2a
# high bit can't be high
zzzzzzzzzzzzz
kjzfcijpj2z2a