C13223313311212111133133313331333133313232233133313331323221211111221323131   >>    C1322331331121211113313331333133313331323223313331333132322121111122132313   <<    C13223313311212111133133313331333133313232233133313331323221211111221323133   >>      C13223313311212111133133313331333133313232233133313331323221211111221323132   >>