C13332313311211113313331333133313331322331333133313121111331333133313222322321   >>    C1333231331121111331333133313331333132233133313331312111133133313331322232232   <<    C13332313311211113313331333133313331322331333133313121111331333133313222322323   >>      C13332313311211113313331333133313331322331333133313121111331333133313222322322   >>