C111113331333132322331333133313331333133313112113313331333133313331333113231211   >>    C11111333133313232233133313331333133313331311211331333133313331333133311323121   <<    C111113331333132322331333133313331333133313112113313331333133313331333113231213   >>      C111113331333132322331333133313331333133313112113313331333133313331333113231212   >>