C11111333133313331211211331333133313331323133313331333131132311   >>    C1111133313331333121121133133313331333132313331333133313113231   <<    C11111333133313331211211331333133313331323133313331333131132313   >>      C11111333133313331211211331333133313331323133313331333131132312   >>