C133323133112111133133313331333133313223312111133132213233313121   >>    C13332313311211113313331333133313331322331211113313221323331312   <<    C133323133112111133133313331333133313223312111133132213233313123   >>      C133323133112111133133313331333133313223312111133132213233313122   >>