C31321211111333132331211113313331333133313331333133313331333133313121123313131   >>    C3132121111133313233121111331333133313331333133313331333133313331312112331313   <<    C31321211111333132331211113313331333133313331333133313331333133313121123313133   >>      C31321211111333132331211113313331333133313331333133313331333133313121123313132   >>