C222123232321333131133133313331323133313232313233232333131231311   >>    C22212323232133313113313331333132313331323231323323233313123131   <<    C222123232321333131133133313331323133313232313233232333131231313   >>      C222123232321333131133133313331323133313232313233232333131231312   >>