C1111233131211111211113313331323133313231323223313331312323132313211   >>    C111123313121111121111331333132313331323132322331333131232313231321   <<    C1111233131211111211113313331323133313231323223313331312323132313213   >>      C1111233131211111211113313331323133313231323223313331312323132313212   >>