C2122121212121133132213231313231313231323223313231322331323211123231   >>    C212212121212113313221323131323131323132322331323132233132321112323   <<    C2122121212121133132213231313231313231323223313231322331323211123233   >>      C2122121212121133132213231313231313231323223313231322331323211123232   >>