C312322331333132212111133133313331333133312121111331333223313222332311   >>    C31232233133313221211113313331333133313331212111133133322331322233231   <<    C312322331333132212111133133313331333133312121111331333223313222332313   >>      C312322331333132212111133133313331333133312121111331333223313222332312   >>