C31232233133313221211113313331333132313331333133313121111331333132313211331   >>    C3123223313331322121111331333133313231333133313331312111133133313231321133   <<    C31232233133313221211113313331333132313331333133313121111331333132313211333   >>      C31232233133313221211113313331333132313331333133313121111331333132313211332   >>