C11111211113313112113313331333133313331333132313331333133313332233132233131   >>    C1111121111331311211331333133313331333133313231333133313331333223313223313   <<    C11111211113313112113313331333133313331333132313331333133313332233132233133   >>      C11111211113313112113313331333133313331333132313331333133313332233132233132   >>