C11112331333132311331333132313331333131133131133133313331311122321   >>    C1111233133313231133133313231333133313113313113313331333131112232   <<    C11112331333132311331333132313331333131133131133133313331311122323   >>      C11112331333132311331333132313331333131133131133133313331311122322   >>