C13332313311211113313331333133313331323133313331333133313331223322321   >>    C1333231331121111331333133313331333132313331333133313331333122332232   <<    C13332313311211113313331333133313331323133313331333133313331223322323   >>      C13332313311211113313331333133313331323133313331333133313331223322322   >>