C212212121213232233131313231322331323131323323132322331323123221   >>    C21221212121323223313131323132233132313132332313232233132312322   <<    C212212121213232233131313231322331323131323323132322331323123223   >>      C212212121213232233131313231322331323131323323132322331323123222   >>