C11112331312111112111133133313331333133313133313331333132213332212321   >>    C1111233131211111211113313331333133313331313331333133313221333221232   <<    C11112331312111112111133133313331333133313133313331333132213332212323   >>      C11112331312111112111133133313331333133313133313331333132213332212322   >>