C13223313311212111133133313331333133313231323133212111112322331   >>    C1322331331121211113313331333133313331323132313321211111232233   <<    C13223313311212111133133313331333133313231323133212111112322333   >>      C13223313311212111133133313331333133313231323133212111112322332   >>