C2122121212132322331313132313232233132322331322223313232332322131   >>    C212212121213232233131313231323223313232233132222331323233232213   <<    C2122121212132322331313132313232233132322331322223313232332322133   >>      C2122121212132322331313132313232233132322331322223313232332322132   >>