C31232233133313221211113313331333132313331322121111331311211312223331   >>    C3123223313331322121111331333133313231333132212111133131121131222333   <<    C31232233133313221211113313331333132313331322121111331311211312223333   >>      C31232233133313221211113313331333132313331322121111331311211312223332   >>