C111123313121111121111331333133313331313331323221323132233312111   >>    C11112331312111112111133133313331333131333132322132313223331211   <<    C111123313121111121111331333133313331313331323221323132233312113   >>      C111123313121111121111331333133313331313331323221323132233312112   >>