C111123313121111121111331333132313331323132322331333132313331332113313331123311   >>    C11112331312111112111133133313231333132313232233133313231333133211331333112331   <<    C111123313121111121111331333132313331323132322331333132313331332113313331123313   >>      C111123313121111121111331333132313331323132322331333132313331332113313331123312   >>