C1111133313331323223313331333133313331323131211113313112331312312131   >>    C111113331333132322331333133313331333132313121111331311233131231213   <<    C1111133313331323223313331333133313331323131211113313112331312312133   >>      C1111133313331323223313331333133313331323131211113313112331312312132   >>