C11111211113313112113313331333133313331333132313331333133313333132131   >>    C1111121111331311211331333133313331333133313231333133313331333313213   <<    C11111211113313112113313331333133313331333132313331333133313333132133   >>      C11111211113313112113313331333133313331333132313331333133313333132132   >>