C31232233133313221211113313331333132313331322121111122133313231322132311   >>    C3123223313331322121111331333133313231333132212111112213331323132213231   <<    C31232233133313221211113313331333132313331322121111122133313231322132313   >>      C31232233133313221211113313331333132313331322121111122133313231322132312   >>