C312322331333132212111133133313331333133312121111111133132212331   >>    C31232233133313221211113313331333133313331212111111113313221233   <<    C312322331333132212111133133313331333133312121111111133132212333   >>      C312322331333132212111133133313331333133312121111111133132212332   >>