C11111211113313112113313331333133313331333132233131133133313231323223331   >>    C1111121111331311211331333133313331333133313223313113313331323132322333   <<    C11111211113313112113313331333133313331333132233131133133313231323223333   >>      C11111211113313112113313331333133313331333132233131133133313231323223332   >>