C11112331312111112111133133313331323132313232233133313231333131332331   >>    C1111233131211111211113313331333132313231323223313331323133313133233   <<    C11112331312111112111133133313331323132313232233133313231333131332333   >>      C11112331312111112111133133313331323132313232233133313231333131332332   >>