C222123232321333131133133313331323133313231323133311322131232212121221   >>    C22212323232133313113313331333132313331323132313331132213123221212122   <<    C222123232321333131133133313331323133313231323133311322131232212121223   >>      C222123232321333131133133313331323133313231323133311322131232212121222   >>