C1111233131211111211113313331333133313331312331333132333132222331   >>    C111123313121111121111331333133313331333131233133313233313222233   <<    C1111233131211111211113313331333133313331312331333132333132222333   >>      C1111233131211111211113313331333133313331312331333132333132222332   >>