C3123121111113313121111331333133313231211111333133313331323221323311   >>    C312312111111331312111133133313331323121111133313331333132322132331   <<    C3123121111113313121111331333133313231211111333133313331323221323313   >>      C3123121111113313121111331333133313231211111333133313331323221323312   >>