C31232233133313221211113313331333132313331322121133133311212331   >>    C3123223313331322121111331333133313231333132212113313331121233   <<    C31232233133313221211113313331333132313331322121133133311212333   >>      C31232233133313221211113313331333132313331322121133133311212332   >>