C222123232321333131133133313331323133313231323231312323222221321111   >>    C22212323232133313113313331333132313331323132323131232322222132111   <<    C222123232321333131133133313331323133313231323231312323222221321113   >>      C222123232321333131133133313331323133313231323231312323222221321112   >>