C11112331333132311331333133313331323132322121211113313231232333131   >>    C1111233133313231133133313331333132313232212121111331323123233313   <<    C11112331333132311331333133313331323132322121211113313231232333133   >>      C11112331333132311331333133313331323132322121211113313231232333132   >>