C222123232321333131133133313331323132313331322121323111313223321   >>    C22212323232133313113313331333132313231333132212132311131322332   <<    C222123232321333131133133313331323132313331322121323111313223323   >>      C222123232321333131133133313331323132313331322121323111313223322   >>