C13332313311211113313331333133313331323133313331333133313113313133313221   >>    C1333231331121111331333133313331333132313331333133313331311331313331322   <<    C13332313311211113313331333133313331323133313331333133313113313133313223   >>      C13332313311211113313331333133313331323133313331333133313113313133313222   >>