C31321211111333132331211113313331333133313331333133313331333112312331   >>    C3132121111133313233121111331333133313331333133313331333133311231233   <<    C31321211111333132331211113313331333133313331333133313331333112312333   >>      C31321211111333132331211113313331333133313331333133313331333112312332   >>