C1111233133313231133133313331333133313231323331333133112331333112131   >>    C111123313331323113313331333133313331323132333133313311233133311213   <<    C1111233133313231133133313331333133313231323331333133112331333112133   >>      C1111233133313231133133313331333133313231323331333133112331333112132   >>