C111123313121111121111331333133313331323232133313331333133321112323321221   >>    C11112331312111112111133133313331333132323213331333133313332111232332122   <<    C111123313121111121111331333133313331323232133313331333133321112323321223   >>      C111123313121111121111331333133313331323232133313331333133321112323321222   >>