C31232233133313221211113313331333132313331322121111133313121123313231322311   >>    C3123223313331322121111331333133313231333132212111113331312112331323132231   <<    C31232233133313221211113313331333132313331322121111133313121123313231322313   >>      C31232233133313221211113313331333132313331322121111133313121123313231322312   >>