C13223313311212111133133313331333133313231323133211113313331312212211   >>    C1322331331121211113313331333133313331323132313321111331333131221221   <<    C13223313311212111133133313331333133313231323133211113313331312212213   >>      C13223313311212111133133313331333133313231323133211113313331312212212   >>