C11112331333132311331333132313331333131133131133133313311211331121113331211   >>    C1111233133313231133133313231333133313113313113313331331121133112111333121   <<    C11112331333132311331333132313331333131133131133133313311211331121113331213   >>      C11112331333132311331333132313331333131133131133133313311211331121113331212   >>