C12121212311232322331313232233132333132333132233132313231321231111   >>    C1212121231123232233131323223313233313233313223313231323132123111   <<    C12121212311232322331313232233132333132333132233132313231321231113   >>      C12121212311232322331313232233132333132333132233132313231321231112   >>