C11111333133313232233133313331333133313223313331323132233133322332311   >>    C1111133313331323223313331333133313331322331333132313223313332233231   <<    C11111333133313232233133313331333133313223313331323132233133322332313   >>      C11111333133313232233133313331333133313223313331323132233133322332312   >>