C111113331333132322331333133313331333132313123313231333131313121   >>    C11111333133313232233133313331333133313231312331323133313131312   <<    C111113331333132322331333133313331333132313123313231333131313123   >>      C111113331333132322331333133313331333132313123313231333131313122   >>