C222123232321333131133133313331333132313232233232322333131121311   >>    C22212323232133313113313331333133313231323223323232233313112131   <<    C222123232321333131133133313331333132313232233232322333131121313   >>      C222123232321333131133133313331333132313232233232322333131121312   >>