C3123223313331322121111331333133313331331121123121111331333112113223311   >>    C312322331333132212111133133313331333133112112312111133133311211322331   <<    C3123223313331322121111331333133313331331121123121111331333112113223313   >>      C3123223313331322121111331333133313331331121123121111331333112113223312   >>