C11111333133313232233133313331333133313331133133313331321123231131   >>    C1111133313331323223313331333133313331333113313331333132112323113   <<    C11111333133313232233133313331333133313331133133313331321123231133   >>      C11111333133313232233133313331333133313331133133313331321123231132   >>