C312322331333132212111133133313331323133313221211113313123231331   >>    C31232233133313221211113313331333132313331322121111331312323133   <<    C312322331333132212111133133313331323133313221211113313123231333   >>      C312322331333132212111133133313331323133313221211113313123231332   >>