C31232233133313221211113313331333132313331322121111121211332331   >>    C3123223313331322121111331333133313231333132212111112121133233   <<    C31232233133313221211113313331333132313331322121111121211332333   >>      C31232233133313221211113313331333132313331322121111121211332332   >>