C133323133112111133133313331333133313211231333132322331311212121   >>    C13332313311211113313331333133313331321123133313232233131121212   <<    C133323133112111133133313331333133313211231333132322331311212123   >>      C133323133112111133133313331333133313211231333132322331311212122   >>