C133323133112111133133313331333133112113313331333131133133313233223321   >>    C13332313311211113313331333133313311211331333133313113313331323322332   <<    C133323133112111133133313331333133112113313331333131133133313233223323   >>      C133323133112111133133313331333133112113313331333131133133313233223322   >>