C31232233133313221211113313331333132313331322121111132112323132311331   >>    C3123223313331322121111331333133313231333132212111113211232313231133   <<    C31232233133313221211113313331333132313331322121111132112323132311333   >>      C31232233133313221211113313331333132313331322121111132112323132311332   >>