C1111233131211111211113313331333133313211231211331323133313331323211332131   >>    C111123313121111121111331333133313331321123121133132313331333132321133213   <<    C1111233131211111211113313331333133313211231211331323133313331323211332133   >>      C1111233131211111211113313331333133313211231211331323133313331323211332132   >>