change board height to 20
change board height to 20

that was an oops

HMProgrammingClub/NYCSL2,HMProgrammingClub/NYCSL2,HMProgrammingClub/NYCSL2,HMProgrammingClub/NYCSL2,HMProgrammingClub/NYCSL2,HMProgrammingClub/NYCSL2