C31232233133313221211113313331311331333131323132313331323131133133313111211   >>    C3123223313331322121111331333131133133313132313231333132313113313331311121   <<    C31232233133313221211113313331311331333131323132313331323131133133313111213   >>      C31232233133313221211113313331311331333131323132313331323131133133313111212   >>