C111113331333132322331333133313331333132313123231323211232313123121   >>    C11111333133313232233133313331333133313231312323132321123231312312   <<    C111113331333132322331333133313331333132313123231323211232313123123   >>      C111113331333132322331333133313331333132313123231323211232313123122   >>