C111123313121111121111331333133313331333133313231123313231311321   >>    C11112331312111112111133133313331333133313331323112331323131132   <<    C111123313121111121111331333133313331333133313231123313231311323   >>      C111123313121111121111331333133313331333133313231123313231311322   >>