C111113331333132322331333133313331333132313331333133323223211331313121   >>    C11111333133313232233133313331333133313231333133313332322321133131312   <<    C111113331333132322331333133313331333132313331333133323223211331313123   >>      C111113331333132322331333133313331333132313331333133323223211331313122   >>