C132233133112121111331333133313133313232233133313231323132322221   >>    C13223313311212111133133313331313331323223313331323132313232222   <<    C132233133112121111331333133313133313232233133313231323132322223   >>      C132233133112121111331333133313133313232233133313231323132322222   >>