C133323133112111133133313331333133313231322331333133313233223212321   >>    C13332313311211113313331333133313331323132233133313331323322321232   <<    C133323133112111133133313331333133313231322331333133313233223212323   >>      C133323133112111133133313331333133313231322331333133313233223212322   >>