C11111333133313232233133313331333133313331311331333133313231333132233323231   >>    C1111133313331323223313331333133313331333131133133313331323133313223332323   <<    C11111333133313232233133313331333133313331311331333133313231333132233323233   >>      C11111333133313232233133313331333133313331311331333133313231333132233323232   >>