JCKZJCIC6HWVEAXYASJN4ZJ3K5O6QS5REYURE55BRDX7IYRYC5RQC
OQQ4TGEMWDB6JXZ4H4D2XQJE3PDLINTZ4YCL2O2EVG67CDSAM35AC
AGTMM5U7XETFXBBS6CXIOXRQ7CDWQWVR62TR3QPI6LMVAK4J3HEQC
SXEYMYF7P4RZMZ46WPL4IZUTSQ2ATBWYZX7QNVMS3SGOYXYOHAGQC
let spaces: String = std::iter::repeat(' ').take(al).collect();
let spaces: String = " ".repeat(al);