C1212121213213231323132322231323132313231232322331322331311331111   >>    C121212121321323132313232223132313231323123232233132233131133111   <<    C1212121213213231323132322231323132313231232322331322331311331113   >>      C1212121213213231323132322231323132313231232322331322331311331112   >>