C13223313311212111133133313331333133313231323133211331333132322132121   >>    C1322331331121211113313331333133313331323132313321133133313232213212   <<    C13223313311212111133133313331333133313231323133211331333132322132123   >>      C13223313311212111133133313331333133313231323133211331333132322132122   >>