1DABCABEBCCDAEABCABC1
ACDCDBACEAEBAEBAODODBE
OB2
AODOBDOCEOEBOCEAODAODOBDOEBOCE
ODBE
ACO
3DABCABEFBCCDAEAFABCABC1
AMDMBDCMFMFB2AMDaFMBb
ACM
CMF
ACFMAFAM
OF5
OEFbCOEb
FCGC12