C22212323232133313113313331333133313231323221213332213222233331   >>    C2221232323213331311331333133313331323132322121333221322223333   <<    C22212323232133313113313331333133313231323221213332213222233333   >>      C22212323232133313113313331333133313231323221213332213222233332   >>