C22212323232133313113313331333132313331323222223231122321323231   >>    C2221232323213331311331333133313231333132322222323112232132323   <<    C22212323232133313113313331333132313331323222223231122321323233   >>      C22212323232133313113313331333132313331323222223231122321323232   >>