C312322331333132212111133133313331333133312121111113313232211331   >>    C31232233133313221211113313331333133313331212111111331323221133   <<    C312322331333132212111133133313331333133312121111113313232211333   >>      C312322331333132212111133133313331333133312121111113313232211332   >>