C11112331333132311331333133313331333132311213331333133313111321321   >>    C1111233133313231133133313331333133313231121333133313331311132132   <<    C11112331333132311331333133313331333132311213331333133313111321323   >>      C11112331333132311331333133313331333132311213331333133313111321322   >>