C111113331333132322331333133313331333133313121111331333132313121   >>    C11111333133313232233133313331333133313331312111133133313231312   <<    C111113331333132322331333133313331333133313121111331333132313123   >>      C111113331333132322331333133313331333133313121111331333132313122   >>