C222123232321333131133133313331323133313231323231312323232231311   >>    C22212323232133313113313331333132313331323132323131232323223131   <<    C222123232321333131133133313331323133313231323231312323232231313   >>      C222123232321333131133133313331323133313231323231312323232231312   >>