C13223313311212111133133313331333133313232233133313331333112312321   >>    C1322331331121211113313331333133313331323223313331333133311231232   <<    C13223313311212111133133313331333133313232233133313331333112312323   >>      C13223313311212111133133313331333133313232233133313331333112312322   >>