C1322331331121211113313331333133313331323223313131323132313233313231221   >>    C132233133112121111331333133313331333132322331313132313231323331323122   <<    C1322331331121211113313331333133313331323223313131323132313233313231223   >>      C1322331331121211113313331333133313331323223313131323132313233313231222   >>