C312322331333132212111133133313331333133312121111331333212223331   >>    C31232233133313221211113313331333133313331212111133133321222333   <<    C312322331333132212111133133313331333133312121111331333212223333   >>      C312322331333132212111133133313331333133312121111331333212223332   >>