C11112331333132311331333133313331333132311213331333133312111113131121131   >>    C1111233133313231133133313331333133313231121333133313331211111313112113   <<    C11112331333132311331333133313331333132311213331333133312111113131121133   >>      C11112331333132311331333133313331333132311213331333133312111113131121132   >>