C13223313311212111133133313331323133313331323132322121111132321   >>    C1322331331121211113313331333132313331333132313232212111113232   <<    C13223313311212111133133313331323133313331323132322121111132323   >>      C13223313311212111133133313331323133313331323132322121111132322   >>