C222123232321333131133133313331323133313231323231312323221221221231   >>    C22212323232133313113313331333132313331323132323131232322122122123   <<    C222123232321333131133133313331323133313231323231312323221221221233   >>      C222123232321333131133133313331323133313231323231312323221221221232   >>