C11111333133313232233133313331333131133132233133313331312111121131311   >>    C1111133313331323223313331333133313113313223313331333131211112113131   <<    C11111333133313232233133313331333131133132233133313331312111121131313   >>      C11111333133313232233133313331333131133132233133313331312111121131312   >>