% lazy ancestor set for [], stoprev = 0, inclusive = False membership: [] iteration: [] % lazy ancestor set for [11, 13], stoprev = 0, inclusive = False membership: [7, 8, 3, 4, 1, 0] iteration: [8, 7, 4, 3, 2, 1, 0] % lazy ancestor set for [1, 3], stoprev = 0, inclusive = False membership: [1, 0] iteration: [1, 0] % lazy ancestor set for [11, 13], stoprev = 0, inclusive = True membership: [11, 13, 7, 8, 3, 4, 1, 0] iteration: [13, 11, 8, 7, 4, 3, 2, 1, 0] % lazy ancestor set for [11, 13], stoprev = 6, inclusive = False membership: [7, 8] iteration: [8, 7] % lazy ancestor set for [11, 13], stoprev = 6, inclusive = True membership: [11, 13, 7, 8] iteration: [13, 11, 8, 7] % lazy ancestor set for [11, 13], stoprev = 11, inclusive = True membership: [11, 13] iteration: [13, 11] % lazy ancestor set for [11, 13], stoprev = 12, inclusive = True membership: [13] iteration: [13] % lazy ancestor set for [10, 1], stoprev = 0, inclusive = True membership: [2, 10, 4, 5, 0, 1] iteration: [10, 5, 4, 2, 1, 0]