C31232233133313221211113313331333132313331322121133133313232133112311   >>    C3123223313331322121111331333133313231333132212113313331323213311231   <<    C31232233133313221211113313331333132313331322121133133313232133112313   >>      C31232233133313221211113313331333132313331322121133133313232133112312   >>