C11111211113313112113313331333133313133313232233133313231313312121
>>
C1111121111331311211331333133313331313331323223313331323131331212
<<
C11111211113313112113313331333133313133313232233133313231313312123
>>
C11111211113313112113313331333133313133313232233133313231313312122
>>