C31321211111333132331211113313331333133313331333133313331333133313133311212311   >>    C3132121111133313233121111331333133313331333133313331333133313331313331121231   <<    C31321211111333132331211113313331333133313331333133313331333133313133311212313   >>      C31321211111333132331211113313331333133313331333133313331333133313133311212312   >>