C111113331333132322331333133313331331122132313331312323132313231333121   >>    C11111333133313232233133313331333133112213231333131232313231323133312   <<    C111113331333132322331333133313331331122132313331312323132313231333123   >>      C111113331333132322331333133313331331122132313331312323132313231333122   >>