C111123313121111121111331333133313331333112221211111323221323221   >>    C11112331312111112111133133313331333133311222121111132322132322   <<    C111123313121111121111331333133313331333112221211111323221323223   >>      C111123313121111121111331333133313331333112221211111323221323222   >>