C1111233133313231133133313231333133313113313113313231323131332131   >>    C111123313331323113313331323133313331311331311331323132313133213   <<    C1111233133313231133133313231333133313113313113313231323131332133   >>      C1111233133313231133133313231333133313113313113313231323131332132   >>