C31232233133313221211113313331333133313122132313331323132212331   >>    C3123223313331322121111331333133313331312213231333132313221233   <<    C31232233133313221211113313331333133313122132313331323132212333   >>      C31232233133313221211113313331333133313122132313331323132212332   >>