C31232233133313221211113313331333132313331322121133133313232223223331   >>    C3123223313331322121111331333133313231333132212113313331323222322333   <<    C31232233133313221211113313331333132313331322121133133313232223223333   >>      C31232233133313221211113313331333132313331322121133133313232223223332   >>