C222123232321333131133133313331323133313231323231312323232122311   >>    C22212323232133313113313331333132313331323132323131232323212231   <<    C222123232321333131133133313331323133313231323231312323232122313   >>      C222123232321333131133133313331323133313231323231312323232122312   >>