C312322331333132212111133133313331333133312121111113313133313111111   >>    C31232233133313221211113313331333133313331212111111331313331311111   <<    C312322331333132212111133133313331333133312121111113313133313111113   >>      C312322331333132212111133133313331333133312121111113313133313111112   >>