C1111133313331323223313331333133313113313121111331322121133131123313232223331   >>    C111113331333132322331333133313331311331312111133132212113313112331323222333   <<    C1111133313331323223313331333133313113313121111331322121133131123313232223333   >>      C1111133313331323223313331333133313113313121111331322121133131123313232223332   >>