C31232233133313221211113313331333132313331322121133133313231322123311   >>    C3123223313331322121111331333133313231333132212113313331323132212331   <<    C31232233133313221211113313331333132313331322121133133313231322123313   >>      C31232233133313221211113313331333132313331322121133133313231322123312   >>