C1111133313331323223313331333133313231323112113313121133131111211311   >>    C111113331333132322331333133313331323132311211331312113313111121131   <<    C1111133313331323223313331333133313231323112113313121133131111211313   >>      C1111133313331323223313331333133313231323112113313121133131111211312   >>