C31232233133313221211113313331333131211113313231333132323132311331   >>    C3123223313331322121111331333133313121111331323133313232313231133   <<    C31232233133313221211113313331333131211113313231333132323132311333   >>      C31232233133313221211113313331333131211113313231333132323132311332   >>