C22212323232133313113313331333133313231323222223231122321132311   >>    C2221232323213331311331333133313331323132322222323112232113231   <<    C22212323232133313113313331333133313231323222223231122321132313   >>      C22212323232133313113313331333133313231323222223231122321132312   >>