C31232233133313221211113313331333132313331322121133133313231331121111331312111   >>    C3123223313331322121111331333133313231333132212113313331323133112111133131211   <<    C31232233133313221211113313331333132313331322121133133313231331121111331312113   >>      C31232233133313221211113313331333132313331322121133133313231331121111331312112   >>