C111123313121111121111331333133313331333133313331333132233133313231333112321   >>    C11112331312111112111133133313331333133313331333133313223313331323133311232   <<    C111123313121111121111331333133313331333133313331333132233133313231333112323   >>      C111123313121111121111331333133313331333133313331333132233133313231333112322   >>