C31232233133313221211113313331333132313331322121111112113311212311   >>    C3123223313331322121111331333133313231333132212111111211331121231   <<    C31232233133313221211113313331333132313331322121111112113311212313   >>      C31232233133313221211113313331333132313331322121111112113311212312   >>