C1111233133313231133133313331333133313231333211331323132313133313233231   >>    C111123313331323113313331333133313331323133321133132313231313331323323   <<    C1111233133313231133133313331333133313231333211331323132313133313233233   >>      C1111233133313231133133313331333133313231333211331323132313133313233232   >>