C13223313311212111133133313331323133313331323121111133313131121   >>    C1322331331121211113313331333132313331333132312111113331313112   <<    C13223313311212111133133313331323133313331323121111133313131123   >>      C13223313311212111133133313331323133313331323121111133313131122   >>