C111123313121111121111331333133313331333132322331323133313332211   >>    C11112331312111112111133133313331333133313232233132313331333221   <<    C111123313121111121111331333133313331333132322331323133313332213   >>      C111123313121111121111331333133313331333132322331323133313332212   >>