C111113331333132322331333133313331333132313331333131133133313332212121   >>    C11111333133313232233133313331333133313231333133313113313331333221212   <<    C111113331333132322331333133313331333132313331333131133133313332212123   >>      C111113331333132322331333133313331333132313331333131133133313332212122   >>