C13223313311212111133133313331333132313231323133313331312331323221221   >>    C1322331331121211113313331333133313231323132313331333131233132322122   <<    C13223313311212111133133313331333132313231323133313331312331323221223   >>      C13223313311212111133133313331333132313231323133313331312331323221222   >>