C132233133112121111331333133313231333133313231323132321123133313232211   >>    C13223313311212111133133313331323133313331323132313232112313331323221   <<    C132233133112121111331333133313231333133313231323132321123133313232213   >>      C132233133112121111331333133313231333133313231323132321123133313232212   >>