1domain: "{ S[0, a, i2, i3] : 0 <= a <= 9 and -1 + a <= 2i2 <= a and -3 + a <= 4i3 <= a }"2child:3 schedule: "[{ S[i0, a, i2, i3] -> [(a)] }]"4 permutable: 15 coincident: [ 1 ]6