C2122121212121133132213231313231323131323223313231322331313232331   >>    C212212121212113313221323131323132313132322331323132233131323233   <<    C2122121212121133132213231313231323131323223313231322331313232333   >>      C2122121212121133132213231313231323131323223313231322331313232332   >>