C31232233133313221211113313331333132313331322121133133313232223223313331231   >>    C3123223313331322121111331333133313231333132212113313331323222322331333123   <<    C31232233133313221211113313331333132313331322121133133313232223223313331233   >>      C31232233133313221211113313331333132313331322121133133313232223223313331232   >>