C111113331333132322331333133313331333132313121111131133132313331311221123121   >>    C11111333133313232233133313331333133313231312111113113313231333131122112312   <<    C111113331333132322331333133313331333132313121111131133132313331311221123123   >>      C111113331333132322331333133313331333132313121111131133132313331311221123122   >>