C31232233133313221211113313331333132313331322121133133313331331123313232311   >>    C3123223313331322121111331333133313231333132212113313331333133112331323231   <<    C31232233133313221211113313331333132313331322121133133313331331123313232313   >>      C31232233133313221211113313331333132313331322121133133313331331123313232312   >>