C1111133313331323223313331333133313331323131313121111331323223313111   >>    C111113331333132322331333133313331333132313131312111133132322331311   <<    C1111133313331323223313331333133313331323131313121111331323223313113   >>      C1111133313331323223313331333133313331323131313121111331323223313112   >>