C222123232321333131133133313331323133313231323231312323221212131   >>    C22212323232133313113313331333132313331323132323131232322121213   <<    C222123232321333131133133313331323133313231323231312323221212133   >>      C222123232321333131133133313331323133313231323231312323221212132   >>