C111123313121111121111331333132313331323221211111333132233133313122311   >>    C11112331312111112111133133313231333132322121111133313223313331312231   <<    C111123313121111121111331333132313331323221211111333132233133313122313   >>      C111123313121111121111331333132313331323221211111333132233133313122312   >>