C111123313121111121111331333133313331321123121111113313231323313221   >>    C11112331312111112111133133313331333132112312111111331323132331322   <<    C111123313121111121111331333133313331321123121111113313231323313223   >>      C111123313121111121111331333133313331321123121111113313231323313222   >>