C31232233133313221211113313331333132313331322121133133313232232233331   >>    C3123223313331322121111331333133313231333132212113313331323223223333   <<    C31232233133313221211113313331333132313331322121133133313232232233333   >>      C31232233133313221211113313331333132313331322121133133313232232233332   >>