Exten­sion of the deadline

Due to serv­er over­load, the dead­line for sub­mis­sion of solu­tions has been exten­ded by two days, until 23:59:59 UTC Novem­ber 11, 2022. We kindly ask all par­ti­cipants to register in the inform­a­tion sys­tem no later than Novem­ber 10.