PJOVH4RUV6KJTEJ36Z5F7UKOUSQG564UCL3KX3N7FQOBE4WSTL6AC
XSV7FSUCGL4H2OSH4BDH27YA6ZXV4GJP6LXDFYV4ILTG4S5EALRQC
S4P2B3FPF57HPHTIAYGMPCVKB7573IB5ZBKNXVBTB6ICCPF55WNQC
println('matrix connect. joined_rooms() $err')
println('$err')