C111123313121111121111331333133313113313232123313331322331322132313232321   >>    C11112331312111112111133133313331311331323212331333132233132213231323232   <<    C111123313121111121111331333133313113313232123313331322331322132313232323   >>      C111123313121111121111331333133313113313232123313331322331322132313232322   >>