C12121212311232322331313232233132333132333132233132333131322231   >>    C1212121231123232233131323223313233313233313223313233313132223   <<    C12121212311232322331313232233132333132333132233132333131322233   >>      C12121212311232322331313232233132333132333132233132333131322232   >>