C11112331333132311331333133313331333132313121111331323132313131   >>    C1111233133313231133133313331333133313231312111133132313231313   <<    C11112331333132311331333133313331333132313121111331323132313133   >>      C11112331333132311331333133313331333132313121111331323132313132   >>