C22212323232133313113313331333132313331323132321111311321122331   >>    C2221232323213331311331333133313231333132313232111131132112233   <<    C22212323232133313113313331333132313331323132321111311321122333   >>      C22212323232133313113313331333132313331323132321111311321122332   >>