C11112331312111112111133133313331333133313331333133313331333132212323132321   >>    C1111233131211111211113313331333133313331333133313331333133313221232313232   <<    C11112331312111112111133133313331333133313331333133313331333132212323132323   >>      C11112331312111112111133133313331333133313331333133313331333132212323132322   >>