C111123313121111121111331333132313331323132322331333132233312111   >>    C11112331312111112111133133313231333132313232233133313223331211   <<    C111123313121111121111331333132313331323132322331333132233312113   >>      C111123313121111121111331333132313331323132322331333132233312112   >>