C31232233133313221211113313331311331333133112133313231333132311211121   >>    C3123223313331322121111331333131133133313311213331323133313231121112   <<    C31232233133313221211113313331311331333133112133313231333132311211123   >>      C31232233133313221211113313331311331333133112133313231333132311211122   >>