C13332313311211113313331333133313331322333133313331333132222121321   >>    C1333231331121111331333133313331333132233313331333133313222212132   <<    C13332313311211113313331333133313331322333133313331333132222121323   >>      C13332313311211113313331333133313331322333133313331333132222121322   >>