C222123232321333131133133313331333132313232233232323223313112111   >>    C22212323232133313113313331333133313231323223323232322331311211   <<    C222123232321333131133133313331333132313232233232323223313112113   >>      C222123232321333131133133313331333132313232233232323223313112112   >>