C222123232321333131133133313331323133313231323133311322132231322221   >>    C22212323232133313113313331333132313331323132313331132213223132222   <<    C222123232321333131133133313331323133313231323133311322132231322223   >>      C222123232321333131133133313331323133313231323133311322132231322222   >>