C1111233133313231133133313331333133313231323113313232233132332211
>>
C111123313331323113313331333133313331323132311331323223313233221
<<
C1111233133313231133133313331333133313231323113313232233132332213
>>
C1111233133313231133133313331333133313231323113313232233132332212
>>