C222123232321333131133133313331333131133131212233222112322331321   >>    C22212323232133313113313331333133313113313121223322211232233132   <<    C222123232321333131133133313331333131133131212233222112322331323   >>      C222123232321333131133133313331333131133131212233222112322331322   >>