C313212111113331323312111133133313331333133313331333133313331333131131211233121   >>    C31321211111333132331211113313331333133313331333133313331333133313113121123312   <<    C313212111113331323312111133133313331333133313331333133313331333131131211233123   >>      C313212111113331323312111133133313331333133313331333133313331333131131211233122   >>