C31232233133313221211113313331333132313331322121111113313311212311   >>    C3123223313331322121111331333133313231333132212111111331331121231   <<    C31232233133313221211113313331333132313331322121111113313311212313   >>      C31232233133313221211113313331333132313331322121111113313311212312   >>