C11112331333132311331333132313331333131133131133132313331322221   >>    C1111233133313231133133313231333133313113313113313231333132222   <<    C11112331333132311331333132313331333131133131133132313331322223   >>      C11112331333132311331333132313331333131133131133132313331322222   >>