C1111233131211111211113313331333133313211231211331323133313331323211331121131   >>    C111123313121111121111331333133313331321123121133132313331333132321133112113   <<    C1111233131211111211113313331333133313211231211331323133313331323211331121133   >>      C1111233131211111211113313331333133313211231211331323133313331323211331121132   >>