C312322331333132212111133133313331333133312121111133313331311223211   >>    C31232233133313221211113313331333133313331212111113331333131122321   <<    C312322331333132212111133133313331333133312121111133313331311223213   >>      C312322331333132212111133133313331333133312121111133313331311223212   >>