C133323133112111133133313331333133313231322331323133112323221321   >>    C13332313311211113313331333133313331323132233132313311232322132   <<    C133323133112111133133313331333133313231322331323133112323221323   >>      C133323133112111133133313331333133313231322331323133112323221322   >>