C11112331333132311331333132313331333131133131133133313311211113313221132221   >>    C1111233133313231133133313231333133313113313113313331331121111331322113222   <<    C11112331333132311331333132313331333131133131133133313311211113313221132223   >>      C11112331333132311331333132313331333131133131133133313311211113313221132222   >>