C222123232321333131133133313331323133313231323231312323222113211111211   >>    C22212323232133313113313331333132313331323132323131232322211321111121   <<    C222123232321333131133133313331323133313231323231312323222113211111213   >>      C222123232321333131133133313331323133313231323231312323222113211111212   >>