C12121212311232322331313232233132313331323221333132313221323331   >>    C1212121231123232233131323223313231333132322133313231322132333   <<    C12121212311232322331313232233132313331323221333132313221323333   >>      C12121212311232322331313232233132313331323221333132313221323332   >>