C31232233133313221211113313331333133313332321333131133132313113211331   >>    C3123223313331322121111331333133313331333232133313113313231311321133   <<    C31232233133313221211113313331333133313332321333131133132313113211333   >>      C31232233133313221211113313331333133313332321333131133132313113211332   >>