C31321211111333132331211113313331333133313331333133313132133311   >>    C3132121111133313233121111331333133313331333133313331313213331   <<    C31321211111333132331211113313331333133313331333133313132133313   >>      C31321211111333132331211113313331333133313331333133313132133312   >>