C1111133313331323223313331333133313113313231331121211111133131111211331   >>    C111113331333132322331333133313331311331323133112121111113313111121133   <<    C1111133313331323223313331333133313113313231331121211111133131111211333   >>      C1111133313331323223313331333133313113313231331121211111133131111211332   >>