C132233133112121111331333133313231333133313231133132311232313111   >>    C13223313311212111133133313331323133313331323113313231123231311   <<    C132233133112121111331333133313231333133313231133132311232313113   >>      C132233133112121111331333133313231333133313231133132311232313112   >>