C11112331333132311331333133313331333132313311331333132321322321   >>    C1111233133313231133133313331333133313231331133133313232132232   <<    C11112331333132311331333133313331333132313311331333132321322323   >>      C11112331333132311331333133313331333132313311331333132321322322   >>