C132233133112121111331333133313231333133313231311331333132231212321   >>    C13223313311212111133133313331323133313331323131133133313223121232   <<    C132233133112121111331333133313231333133313231311331333132231212323   >>      C132233133112121111331333133313231333133313231311331333132231212322   >>