C111123313121111121111331333133313331323232133112111113331313231231   >>    C11112331312111112111133133313331333132323213311211111333131323123   <<    C111123313121111121111331333133313331323232133112111113331313231233   >>      C111123313121111121111331333133313331323232133112111113331313231232   >>