C11111211113313112113313331333133313331312322121111331333132333133313233131   >>    C1111121111331311211331333133313331333131232212111133133313233313331323313   <<    C11111211113313112113313331333133313331312322121111331333132333133313233133   >>      C11111211113313112113313331333133313331312322121111331333132333133313233132   >>