C3132121111133313233121111331333133313331333133313121111331323213231   >>    C313212111113331323312111133133313331333133313331312111133132321323   <<    C3132121111133313233121111331333133313331333133313121111331323213233   >>      C3132121111133313233121111331333133313331333133313121111331323213232   >>