C133323133112111133133313331333133313232331211113313331333132221221   >>    C13332313311211113313331333133313331323233121111331333133313222122   <<    C133323133112111133133313331333133313232331211113313331333132221223   >>      C133323133112111133133313331333133313232331211113313331333132221222   >>