C111123313121111121111331333133313331323221211113313231123313132311   >>    C11112331312111112111133133313331333132322121111331323112331313231   <<    C111123313121111121111331333133313331323221211113313231123313132313   >>      C111123313121111121111331333133313331323221211113313231123313132312   >>