C12121212311232322331313232233132322132313331311222331313231323132313232331   >>    C1212121231123232233131323223313232213231333131122233131323132313231323233   <<    C12121212311232322331313232233132322132313331311222331313231323132313232333   >>      C12121212311232322331313232233132322132313331311222331313231323132313232332   >>