C111123313121111121111331333133313331323221211113313223323222321   >>    C11112331312111112111133133313331333132322121111331322332322232   <<    C111123313121111121111331333133313331323221211113313223323222323   >>      C111123313121111121111331333133313331323221211113313223323222322   >>