C312322331333132212111133133313331333133312121111331333221211111322331333233311   >>    C31232233133313221211113313331333133313331212111133133322121111132233133323331   <<    C312322331333132212111133133313331333133312121111331333221211111322331333233313   >>      C312322331333132212111133133313331333133312121111331333221211111322331333233312   >>