C31232233133313221211113313331311331333133112133313231333132313331312322121   >>    C3123223313331322121111331333131133133313311213331323133313231333131232212   <<    C31232233133313221211113313331311331333133112133313231333132313331312322123   >>      C31232233133313221211113313331311331333133112133313231333132313331312322122   >>