C312312111111331312111133133313331333133322331333133311233131121311131   >>    C31231211111133131211113313331333133313332233133313331123313112131113   <<    C312312111111331312111133133313331333133322331333133311233131121311133   >>      C312312111111331312111133133313331333133322331333133311233131121311132   >>