C31232233133313221211113313331333132313331333133313331313311331   >>    C3123223313331322121111331333133313231333133313331333131331133   <<    C31232233133313221211113313331333132313331333133313331313311333   >>      C31232233133313221211113313331333132313331333133313331313311332   >>