C22212323232133313113313331333132313231333132311233123311113231   >>    C2221232323213331311331333133313231323133313231123312331111323   <<    C22212323232133313113313331333132313231333132311233123311113233   >>      C22212323232133313113313331333132313231333132311233123311113232   >>