C111112111133131121133133313331333131333132322331333131121322311311   >>    C11111211113313112113313331333133313133313232233133313112132231131   <<    C111112111133131121133133313331333131333132322331333131121322311313   >>      C111112111133131121133133313331333131333132322331333131121322311312   >>