C12121212311232322331313232233132333132333132233132311331323132233221   >>    C1212121231123232233131323223313233313233313223313231133132313223322   <<    C12121212311232322331313232233132333132333132233132311331323132233223   >>      C12121212311232322331313232233132333132333132233132311331323132233222   >>