C2122121212121133132213231313231313231323223313231322331323223313131231   >>    C212212121212113313221323131323131323132322331323132233132322331313123   <<    C2122121212121133132213231313231313231323223313231322331323223313131233   >>      C2122121212121133132213231313231313231323223313231322331323223313131232   >>