C11111211113313112113313331311211331333133313331333133312111133133313232212121   >>    C1111121111331311211331333131121133133313331333133313331211113313331323221212   <<    C11111211113313112113313331311211331333133313331333133312111133133313232212123   >>      C11111211113313112113313331311211331333133313331333133312111133133313232212122   >>