C111113331333132322331333133313331323133313331333133112313123121   >>    C11111333133313232233133313331333132313331333133313311231312312   <<    C111113331333132322331333133313331323133313331333133112313123123   >>      C111113331333132322331333133313331323133313331333133112313123122   >>