C222123232321333131133133313331323133313231323133311322132231231211   >>    C22212323232133313113313331333132313331323132313331132213223123121   <<    C222123232321333131133133313331323133313231323133311322132231231213   >>      C222123232321333131133133313331323133313231323133311322132231231212   >>