C231311112223313112113313231111331322331323331323133313232223311   >>    C23131111222331311211331323111133132233132333132313331323222331   <<    C231311112223313112113313231111331322331323331323133313232223313   >>      C231311112223313112113313231111331322331323331323133313232223312   >>