C1111133313331323223313331333133313331323131211113313112331211211311   >>    C111113331333132322331333133313331333132313121111331311233121121131   <<    C1111133313331323223313331333133313331323131211113313112331211211313   >>      C1111133313331323223313331333133313331323131211113313112331211211312   >>