C111123313121111121111331323133313331333132322133313331133133313231311211   >>    C11112331312111112111133132313331333133313232213331333113313331323131121   <<    C111123313121111121111331323133313331333132322133313331133133313231311213   >>      C111123313121111121111331323133313331333132322133313331133133313231311212   >>