C111113331333132322331333133313331333132313121111131133132313331311331333132311   >>    C11111333133313232233133313331333133313231312111113113313231333131133133313231   <<    C111113331333132322331333133313331333132313121111131133132313331311331333132313   >>      C111113331333132322331333133313331333132313121111131133132313331311331333132312   >>