6 49
D BDA DBDB AADDB D CC BAB A DAADAC ACC CDBBBA CADAAB ADACC BBACDA CD DDDBD DC DAA CADB DBCAB C CDCBA CBDDBB ACCA B ABAC B C A ADCDA C BCCACC C DDDDD CCAD DABB CC DCABDB BDBD C D DDBAA C DCA ACADDD CDDDA A C DD 
C ADB CDDC BDCBB B BC AAA B ABBBCB DDC BDAABD CCBCAB CCCBB DAACCD AD DBCCC CD BCB AACB DDAAD A DACAB DDABBB CDAA B DDDB B D C DDCAD B ACAADA C DBACD ACAB BDBB CA ABABCB CBAB C D BCADB D BBB CADBBB DCDBC C A BB