C111123313121111121111331333133313331333131113211331323132313221   >>    C11112331312111112111133133313331333133313111321133132313231322   <<    C111123313121111121111331333133313331333131113211331323132313223   >>      C111123313121111121111331333133313331333131113211331323132313222   >>