C11111211113313112113313331333133313133313232233133313232211312131
>>
C1111121111331311211331333133313331313331323223313331323221131213
<<
C11111211113313112113313331333133313133313232233133313232211312133
>>
C11111211113313112113313331333133313133313232233133313232211312132
>>