DD5K2FU2AKFK47ZNDAFF3VVJGTBOKFKZQYMEBQWGHBUAYN3DCKQQC
YJ6ASFBGEATFRCO2OF2AA4EPOBLWXTIV6YZMHALW3QVR7XTOSJPAC
DUHVCYW52C5MIWBG3GBDFRALHZNHIMGZCMUCNUNY6SXDUZGEMJ6QC
36Z442IVPXHZ7D2QI26YLN3TDDEMDRQ2GKBYQAD6NUHQZVCCY4VAC
OTIBCAUJ3KDQJLVDN3A536DLZGNRYMGJLORZVR3WLCGXGO6UGO6AC
-- determine default dimensions and flags